Finding the Fourth Proportional to 1,307,248.56, 1,803,723.18 and 763,137.42
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Solution
The fourth proportional to 1,307,248.56, 1,803,723.18 and 763,137.42 is: 1,052,966.28
Step by Step Solution
- Step 1: Write the proportion equation
1,307,248.56 : 1,803,723.18 = 763,137.42 : x - Step 2: Convert to fraction form
1,307,248.56/1,803,723.18 = 763,137.42/x - Step 3: Cross multiply
1,307,248.56x = 1,803,723.18 × 763,137.42 - Step 4: Simplify right side
1,307,248.56x = 1,376,488,653,979.40 - Step 5: Solve for x
x = 1,376,488,653,979.40/1,307,248.56 - Step 6: Final answer
x = 1,052,966.28
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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.