Finding the Fourth Proportional to 1,134,859.68, 1,565,982.72 and 625,464
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Solution
The fourth proportional to 1,134,859.68, 1,565,982.72 and 625,464 is: 863,072.18
Step by Step Solution
- Step 1: Write the proportion equation
1,134,859.68 : 1,565,982.72 = 625,464 : x - Step 2: Convert to fraction form
1,134,859.68/1,565,982.72 = 625,464/x - Step 3: Cross multiply
1,134,859.68x = 1,565,982.72 × 625,464 - Step 4: Simplify right side
1,134,859.68x = 979,465,815,982.08 - Step 5: Solve for x
x = 979,465,815,982.08/1,134,859.68 - Step 6: Final answer
x = 863,072.18
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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.