Home / 1,257,927.52-1,885,209.72-458,457.52

Finding the Fourth Proportional to 1,257,927.52, 1,885,209.72 and 458,457.52

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Solution

The fourth proportional to 1,257,927.52, 1,885,209.72 and 458,457.52 is: 687,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,927.52 : 1,885,209.72 = 458,457.52 : x
  2. Step 2: Convert to fraction form
    1,257,927.52/1,885,209.72 = 458,457.52/x
  3. Step 3: Cross multiply
    1,257,927.52x = 1,885,209.72 × 458,457.52
  4. Step 4: Simplify right side
    1,257,927.52x = 864,288,572,911.10
  5. Step 5: Solve for x
    x = 864,288,572,911.10/1,257,927.52
  6. Step 6: Final answer
    x = 687,073.43

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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.