Finding the Fourth Proportional to 1,521,444.13, 2,281,640.80 and 441,663.97
Calculator
Solution
The fourth proportional to 1,521,444.13, 2,281,640.80 and 441,663.97 is: 662,343.43
Step by Step Solution
- Step 1: Write the proportion equation
1,521,444.13 : 2,281,640.80 = 441,663.97 : x - Step 2: Convert to fraction form
1,521,444.13/2,281,640.80 = 441,663.97/x - Step 3: Cross multiply
1,521,444.13x = 2,281,640.80 × 441,663.97 - Step 4: Simplify right side
1,521,444.13x = 1,007,718,526,809.77 - Step 5: Solve for x
x = 1,007,718,526,809.77/1,521,444.13 - Step 6: Final answer
x = 662,343.43
Related Problems
Find fourth proportional to 760,722.06, 1,140,820.40 and 220,831.98
Half scale
Find fourth proportional to 3,042,888.26, 4,563,281.60 and 883,327.93
Double scale
Find fourth proportional to 1,521,445.13, 2,281,642.30 and 441,664.97
Similar ratio
Find fourth proportional to 2,282,166.19, 3,422,461.20 and 662,495.95
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.