Home / 1,266,145.74-1,899,238.86-413,214.12

Finding the Fourth Proportional to 1,266,145.74, 1,899,238.86 and 413,214.12

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Solution

The fourth proportional to 1,266,145.74, 1,899,238.86 and 413,214.12 is: 619,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,145.74 : 1,899,238.86 = 413,214.12 : x
  2. Step 2: Convert to fraction form
    1,266,145.74/1,899,238.86 = 413,214.12/x
  3. Step 3: Cross multiply
    1,266,145.74x = 1,899,238.86 × 413,214.12
  4. Step 4: Simplify right side
    1,266,145.74x = 784,792,314,204.70
  5. Step 5: Solve for x
    x = 784,792,314,204.70/1,266,145.74
  6. Step 6: Final answer
    x = 619,827.79

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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.