Finding the Fourth Proportional to 1,195,220.13, 1,649,404.08 and 651,356.07
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Solution
The fourth proportional to 1,195,220.13, 1,649,404.08 and 651,356.07 is: 898,871.54
Step by Step Solution
- Step 1: Write the proportion equation
1,195,220.13 : 1,649,404.08 = 651,356.07 : x - Step 2: Convert to fraction form
1,195,220.13/1,649,404.08 = 651,356.07/x - Step 3: Cross multiply
1,195,220.13x = 1,649,404.08 × 651,356.07 - Step 4: Simplify right side
1,195,220.13x = 1,074,349,359,390.77 - Step 5: Solve for x
x = 1,074,349,359,390.77/1,195,220.13 - Step 6: Final answer
x = 898,871.54
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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.