Finding the Fourth Proportional to 1,574,720.70, 2,360,331.45 and 865,257.90
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Solution
The fourth proportional to 1,574,720.70, 2,360,331.45 and 865,257.90 is: 1,296,925.50
Step by Step Solution
- Step 1: Write the proportion equation
1,574,720.70 : 2,360,331.45 = 865,257.90 : x - Step 2: Convert to fraction form
1,574,720.70/2,360,331.45 = 865,257.90/x - Step 3: Cross multiply
1,574,720.70x = 2,360,331.45 × 865,257.90 - Step 4: Simplify right side
1,574,720.70x = 2,042,295,433,730.96 - Step 5: Solve for x
x = 2,042,295,433,730.96/1,574,720.70 - Step 6: Final answer
x = 1,296,925.50
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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.