Home / 1,127,635.12-1,691,424.13-328,923.59

Finding the Fourth Proportional to 1,127,635.12, 1,691,424.13 and 328,923.59

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Solution

The fourth proportional to 1,127,635.12, 1,691,424.13 and 328,923.59 is: 493,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,635.12 : 1,691,424.13 = 328,923.59 : x
  2. Step 2: Convert to fraction form
    1,127,635.12/1,691,424.13 = 328,923.59/x
  3. Step 3: Cross multiply
    1,127,635.12x = 1,691,424.13 × 328,923.59
  4. Step 4: Simplify right side
    1,127,635.12x = 556,349,288,389.53
  5. Step 5: Solve for x
    x = 556,349,288,389.53/1,127,635.12
  6. Step 6: Final answer
    x = 493,377.05

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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.