Finding the Fourth Proportional to 1,185,412.32, 1,636,005.60 and 676,188
Calculator
Solution
The fourth proportional to 1,185,412.32, 1,636,005.60 and 676,188 is: 933,217.36
Step by Step Solution
- Step 1: Write the proportion equation
1,185,412.32 : 1,636,005.60 = 676,188 : x - Step 2: Convert to fraction form
1,185,412.32/1,636,005.60 = 676,188/x - Step 3: Cross multiply
1,185,412.32x = 1,636,005.60 × 676,188 - Step 4: Simplify right side
1,185,412.32x = 1,106,247,354,652.80 - Step 5: Solve for x
x = 1,106,247,354,652.80/1,185,412.32 - Step 6: Final answer
x = 933,217.36
Related Problems
Find fourth proportional to 592,706.16, 818,002.80 and 338,094
Half scale
Find fourth proportional to 2,370,824.64, 3,272,011.20 and 1,352,376
Double scale
Find fourth proportional to 1,185,413.32, 1,636,006.98 and 676,189
Similar ratio
Find fourth proportional to 1,778,118.48, 2,454,008.40 and 1,014,282
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.