Finding the Fourth Proportional to 1,028,134.14, 1,418,869.44 and 569,248.70
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Solution
The fourth proportional to 1,028,134.14, 1,418,869.44 and 569,248.70 is: 785,587.74
Step by Step Solution
- Step 1: Write the proportion equation
1,028,134.14 : 1,418,869.44 = 569,248.70 : x - Step 2: Convert to fraction form
1,028,134.14/1,418,869.44 = 569,248.70/x - Step 3: Cross multiply
1,028,134.14x = 1,418,869.44 × 569,248.70 - Step 4: Simplify right side
1,028,134.14x = 807,689,577,095.38 - Step 5: Solve for x
x = 807,689,577,095.38/1,028,134.14 - Step 6: Final answer
x = 785,587.74
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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.