Finding the Fourth Proportional to 1,051,982.10, 1,577,195.55 and 579,201.30
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Solution
The fourth proportional to 1,051,982.10, 1,577,195.55 and 579,201.30 is: 868,373.82
Step by Step Solution
- Step 1: Write the proportion equation
1,051,982.10 : 1,577,195.55 = 579,201.30 : x - Step 2: Convert to fraction form
1,051,982.10/1,577,195.55 = 579,201.30/x - Step 3: Cross multiply
1,051,982.10x = 1,577,195.55 × 579,201.30 - Step 4: Simplify right side
1,051,982.10x = 913,513,712,914.22 - Step 5: Solve for x
x = 913,513,712,914.22/1,051,982.10 - Step 6: Final answer
x = 868,373.82
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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.