Finding the Fourth Proportional to 1,071,248.76, 1,478,345.58 and 587,785.68
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Solution
The fourth proportional to 1,071,248.76, 1,478,345.58 and 587,785.68 is: 811,156.47
Step by Step Solution
- Step 1: Write the proportion equation
1,071,248.76 : 1,478,345.58 = 587,785.68 : x - Step 2: Convert to fraction form
1,071,248.76/1,478,345.58 = 587,785.68/x - Step 3: Cross multiply
1,071,248.76x = 1,478,345.58 × 587,785.68 - Step 4: Simplify right side
1,071,248.76x = 868,950,362,015.30 - Step 5: Solve for x
x = 868,950,362,015.30/1,071,248.76 - Step 6: Final answer
x = 811,156.47
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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.