Home / 1,187,052.64-1,780,661.04-477,081.28

Finding the Fourth Proportional to 1,187,052.64, 1,780,661.04 and 477,081.28

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Solution

The fourth proportional to 1,187,052.64, 1,780,661.04 and 477,081.28 is: 715,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,052.64 : 1,780,661.04 = 477,081.28 : x
  2. Step 2: Convert to fraction form
    1,187,052.64/1,780,661.04 = 477,081.28/x
  3. Step 3: Cross multiply
    1,187,052.64x = 1,780,661.04 × 477,081.28
  4. Step 4: Simplify right side
    1,187,052.64x = 849,520,048,209.33
  5. Step 5: Solve for x
    x = 849,520,048,209.33/1,187,052.64
  6. Step 6: Final answer
    x = 715,654.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.