Home / 1,266,011.20-1,898,718.72-367,215.76

Finding the Fourth Proportional to 1,266,011.20, 1,898,718.72 and 367,215.76

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Solution

The fourth proportional to 1,266,011.20, 1,898,718.72 and 367,215.76 is: 550,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,011.20 : 1,898,718.72 = 367,215.76 : x
  2. Step 2: Convert to fraction form
    1,266,011.20/1,898,718.72 = 367,215.76/x
  3. Step 3: Cross multiply
    1,266,011.20x = 1,898,718.72 × 367,215.76
  4. Step 4: Simplify right side
    1,266,011.20x = 697,239,437,791.03
  5. Step 5: Solve for x
    x = 697,239,437,791.03/1,266,011.20
  6. Step 6: Final answer
    x = 550,737.18

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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.