Home / 1,431,516.80-1,975,454.16-786,937.16

Finding the Fourth Proportional to 1,431,516.80, 1,975,454.16 and 786,937.16

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Solution

The fourth proportional to 1,431,516.80, 1,975,454.16 and 786,937.16 is: 1,085,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,516.80 : 1,975,454.16 = 786,937.16 : x
  2. Step 2: Convert to fraction form
    1,431,516.80/1,975,454.16 = 786,937.16/x
  3. Step 3: Cross multiply
    1,431,516.80x = 1,975,454.16 × 786,937.16
  4. Step 4: Simplify right side
    1,431,516.80x = 1,554,558,276,503.31
  5. Step 5: Solve for x
    x = 1,554,558,276,503.31/1,431,516.80
  6. Step 6: Final answer
    x = 1,085,951.83

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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.