Finding the Fourth Proportional to 1,220,239.38, 1,827,976.61 and 579,631.55
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Solution
The fourth proportional to 1,220,239.38, 1,827,976.61 and 579,631.55 is: 868,315.61
Step by Step Solution
- Step 1: Write the proportion equation
1,220,239.38 : 1,827,976.61 = 579,631.55 : x - Step 2: Convert to fraction form
1,220,239.38/1,827,976.61 = 579,631.55/x - Step 3: Cross multiply
1,220,239.38x = 1,827,976.61 × 579,631.55 - Step 4: Simplify right side
1,220,239.38x = 1,059,552,908,127.24 - Step 5: Solve for x
x = 1,059,552,908,127.24/1,220,239.38 - Step 6: Final answer
x = 868,315.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.