Home / 1,047,127.83-1,569,238.58-477,115.89

Finding the Fourth Proportional to 1,047,127.83, 1,569,238.58 and 477,115.89

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Solution

The fourth proportional to 1,047,127.83, 1,569,238.58 and 477,115.89 is: 715,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,127.83 : 1,569,238.58 = 477,115.89 : x
  2. Step 2: Convert to fraction form
    1,047,127.83/1,569,238.58 = 477,115.89/x
  3. Step 3: Cross multiply
    1,047,127.83x = 1,569,238.58 × 477,115.89
  4. Step 4: Simplify right side
    1,047,127.83x = 748,708,665,449.94
  5. Step 5: Solve for x
    x = 748,708,665,449.94/1,047,127.83
  6. Step 6: Final answer
    x = 715,011.72

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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.