Finding the Fourth Proportional to 1,125,749.92, 1,553,769.45 and 1,034,962.08
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Solution
The fourth proportional to 1,125,749.92, 1,553,769.45 and 1,034,962.08 is: 1,428,463.31
Step by Step Solution
- Step 1: Write the proportion equation
1,125,749.92 : 1,553,769.45 = 1,034,962.08 : x - Step 2: Convert to fraction form
1,125,749.92/1,553,769.45 = 1,034,962.08/x - Step 3: Cross multiply
1,125,749.92x = 1,553,769.45 × 1,034,962.08 - Step 4: Simplify right side
1,125,749.92x = 1,608,092,461,812.46 - Step 5: Solve for x
x = 1,608,092,461,812.46/1,125,749.92 - Step 6: Final answer
x = 1,428,463.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.