Finding the Fourth Proportional to 1,071,642.69, 1,478,885.99 and 588,252.78
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Solution
The fourth proportional to 1,071,642.69, 1,478,885.99 and 588,252.78 is: 811,799.31
Step by Step Solution
- Step 1: Write the proportion equation
1,071,642.69 : 1,478,885.99 = 588,252.78 : x - Step 2: Convert to fraction form
1,071,642.69/1,478,885.99 = 588,252.78/x - Step 3: Cross multiply
1,071,642.69x = 1,478,885.99 × 588,252.78 - Step 4: Simplify right side
1,071,642.69x = 869,958,791,979.29 - Step 5: Solve for x
x = 869,958,791,979.29/1,071,642.69 - Step 6: Final answer
x = 811,799.31
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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.