Finding the Fourth Proportional to 1,028,134.06, 1,418,869.34 and 569,248.62
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Solution
The fourth proportional to 1,028,134.06, 1,418,869.34 and 569,248.62 is: 785,587.64
Step by Step Solution
- Step 1: Write the proportion equation
1,028,134.06 : 1,418,869.34 = 569,248.62 : x - Step 2: Convert to fraction form
1,028,134.06/1,418,869.34 = 569,248.62/x - Step 3: Cross multiply
1,028,134.06x = 1,418,869.34 × 569,248.62 - Step 4: Simplify right side
1,028,134.06x = 807,689,410,909.07 - Step 5: Solve for x
x = 807,689,410,909.07/1,028,134.06 - Step 6: Final answer
x = 785,587.64
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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.