Finding the Fourth Proportional to 1,134,045.12, 1,564,982.16 and 624,747.48
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Solution
The fourth proportional to 1,134,045.12, 1,564,982.16 and 624,747.48 is: 862,151.46
Step by Step Solution
- Step 1: Write the proportion equation
1,134,045.12 : 1,564,982.16 = 624,747.48 : x - Step 2: Convert to fraction form
1,134,045.12/1,564,982.16 = 624,747.48/x - Step 3: Cross multiply
1,134,045.12x = 1,564,982.16 × 624,747.48 - Step 4: Simplify right side
1,134,045.12x = 977,718,660,704.96 - Step 5: Solve for x
x = 977,718,660,704.96/1,134,045.12 - Step 6: Final answer
x = 862,151.46
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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.