Home / 1,312,753.68-1,811,937.12-855,008.88

Finding the Fourth Proportional to 1,312,753.68, 1,811,937.12 and 855,008.88

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Solution

The fourth proportional to 1,312,753.68, 1,811,937.12 and 855,008.88 is: 1,180,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,753.68 : 1,811,937.12 = 855,008.88 : x
  2. Step 2: Convert to fraction form
    1,312,753.68/1,811,937.12 = 855,008.88/x
  3. Step 3: Cross multiply
    1,312,753.68x = 1,811,937.12 × 855,008.88
  4. Step 4: Simplify right side
    1,312,753.68x = 1,549,222,327,601.63
  5. Step 5: Solve for x
    x = 1,549,222,327,601.63/1,312,753.68
  6. Step 6: Final answer
    x = 1,180,131.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.