Home / 1,148,138.04-1,722,215.70-400,184.76

Finding the Fourth Proportional to 1,148,138.04, 1,722,215.70 and 400,184.76

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Solution

The fourth proportional to 1,148,138.04, 1,722,215.70 and 400,184.76 is: 600,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,138.04 : 1,722,215.70 = 400,184.76 : x
  2. Step 2: Convert to fraction form
    1,148,138.04/1,722,215.70 = 400,184.76/x
  3. Step 3: Cross multiply
    1,148,138.04x = 1,722,215.70 × 400,184.76
  4. Step 4: Simplify right side
    1,148,138.04x = 689,204,476,572.73
  5. Step 5: Solve for x
    x = 689,204,476,572.73/1,148,138.04
  6. Step 6: Final answer
    x = 600,280.15

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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.