Finding the Fourth Proportional to 1,118,432.95, 1,543,437.38 and 609,135.32
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Solution
The fourth proportional to 1,118,432.95, 1,543,437.38 and 609,135.32 is: 840,606.70
Step by Step Solution
- Step 1: Write the proportion equation
1,118,432.95 : 1,543,437.38 = 609,135.32 : x - Step 2: Convert to fraction form
1,118,432.95/1,543,437.38 = 609,135.32/x - Step 3: Cross multiply
1,118,432.95x = 1,543,437.38 × 609,135.32 - Step 4: Simplify right side
1,118,432.95x = 940,162,227,747.69 - Step 5: Solve for x
x = 940,162,227,747.69/1,118,432.95 - Step 6: Final answer
x = 840,606.70
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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.