Home / 1,238,432.01-1,855,855.13-853,786.02

Finding the Fourth Proportional to 1,238,432.01, 1,855,855.13 and 853,786.02

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Solution

The fourth proportional to 1,238,432.01, 1,855,855.13 and 853,786.02 is: 1,279,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,432.01 : 1,855,855.13 = 853,786.02 : x
  2. Step 2: Convert to fraction form
    1,238,432.01/1,855,855.13 = 853,786.02/x
  3. Step 3: Cross multiply
    1,238,432.01x = 1,855,855.13 × 853,786.02
  4. Step 4: Simplify right side
    1,238,432.01x = 1,584,503,167,829.81
  5. Step 5: Solve for x
    x = 1,584,503,167,829.81/1,238,432.01
  6. Step 6: Final answer
    x = 1,279,443.01

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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.