Finding the Fourth Proportional to 1,513,397.35, 2,088,387.24 and 868,728.07
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Solution
The fourth proportional to 1,513,397.35, 2,088,387.24 and 868,728.07 is: 1,198,786.70
Step by Step Solution
- Step 1: Write the proportion equation
1,513,397.35 : 2,088,387.24 = 868,728.07 : x - Step 2: Convert to fraction form
1,513,397.35/2,088,387.24 = 868,728.07/x - Step 3: Cross multiply
1,513,397.35x = 2,088,387.24 × 868,728.07 - Step 4: Simplify right side
1,513,397.35x = 1,814,240,616,417.83 - Step 5: Solve for x
x = 1,814,240,616,417.83/1,513,397.35 - Step 6: Final answer
x = 1,198,786.70
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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.