Home / 1,484,590.30-2,226,885.45-1,272,013.90

Finding the Fourth Proportional to 1,484,590.30, 2,226,885.45 and 1,272,013.90

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Solution

The fourth proportional to 1,484,590.30, 2,226,885.45 and 1,272,013.90 is: 1,908,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,590.30 : 2,226,885.45 = 1,272,013.90 : x
  2. Step 2: Convert to fraction form
    1,484,590.30/2,226,885.45 = 1,272,013.90/x
  3. Step 3: Cross multiply
    1,484,590.30x = 2,226,885.45 × 1,272,013.90
  4. Step 4: Simplify right side
    1,484,590.30x = 2,832,629,246,107.76
  5. Step 5: Solve for x
    x = 2,832,629,246,107.76/1,484,590.30
  6. Step 6: Final answer
    x = 1,908,020.85

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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.