Finding the Fourth Proportional to 1,073,170.71, 1,480,652.63 and 643,293.99
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Solution
The fourth proportional to 1,073,170.71, 1,480,652.63 and 643,293.99 is: 887,552.12
Step by Step Solution
- Step 1: Write the proportion equation
1,073,170.71 : 1,480,652.63 = 643,293.99 : x - Step 2: Convert to fraction form
1,073,170.71/1,480,652.63 = 643,293.99/x - Step 3: Cross multiply
1,073,170.71x = 1,480,652.63 × 643,293.99 - Step 4: Simplify right side
1,073,170.71x = 952,494,938,641.86 - Step 5: Solve for x
x = 952,494,938,641.86/1,073,170.71 - Step 6: Final answer
x = 887,552.12
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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.