Home / 1,472,480.78-2,032,384.30-900,000.86

Finding the Fourth Proportional to 1,472,480.78, 2,032,384.30 and 900,000.86

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Solution

The fourth proportional to 1,472,480.78, 2,032,384.30 and 900,000.86 is: 1,242,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,480.78 : 2,032,384.30 = 900,000.86 : x
  2. Step 2: Convert to fraction form
    1,472,480.78/2,032,384.30 = 900,000.86/x
  3. Step 3: Cross multiply
    1,472,480.78x = 2,032,384.30 × 900,000.86
  4. Step 4: Simplify right side
    1,472,480.78x = 1,829,147,605,438.57
  5. Step 5: Solve for x
    x = 1,829,147,605,438.57/1,472,480.78
  6. Step 6: Final answer
    x = 1,242,221.72

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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.