Finding the Fourth Proportional to 1,007,864.49, 1,390,853.07 and 555,155.49
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Solution
The fourth proportional to 1,007,864.49, 1,390,853.07 and 555,155.49 is: 766,114.62
Step by Step Solution
- Step 1: Write the proportion equation
1,007,864.49 : 1,390,853.07 = 555,155.49 : x - Step 2: Convert to fraction form
1,007,864.49/1,390,853.07 = 555,155.49/x - Step 3: Cross multiply
1,007,864.49x = 1,390,853.07 × 555,155.49 - Step 4: Simplify right side
1,007,864.49x = 772,139,717,593.85 - Step 5: Solve for x
x = 772,139,717,593.85/1,007,864.49 - Step 6: Final answer
x = 766,114.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.