Finding the Fourth Proportional to 1,134,037.86, 1,564,972.16 and 624,740.23
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Solution
The fourth proportional to 1,134,037.86, 1,564,972.16 and 624,740.23 is: 862,141.47
Step by Step Solution
- Step 1: Write the proportion equation
1,134,037.86 : 1,564,972.16 = 624,740.23 : x - Step 2: Convert to fraction form
1,134,037.86/1,564,972.16 = 624,740.23/x - Step 3: Cross multiply
1,134,037.86x = 1,564,972.16 × 624,740.23 - Step 4: Simplify right side
1,134,037.86x = 977,701,067,182.00 - Step 5: Solve for x
x = 977,701,067,182.00/1,134,037.86 - Step 6: Final answer
x = 862,141.47
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1.5x scale
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.