Home / 1,429,327.80-2,142,023.40-948,187.80

Finding the Fourth Proportional to 1,429,327.80, 2,142,023.40 and 948,187.80

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Solution

The fourth proportional to 1,429,327.80, 2,142,023.40 and 948,187.80 is: 1,420,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,327.80 : 2,142,023.40 = 948,187.80 : x
  2. Step 2: Convert to fraction form
    1,429,327.80/2,142,023.40 = 948,187.80/x
  3. Step 3: Cross multiply
    1,429,327.80x = 2,142,023.40 × 948,187.80
  4. Step 4: Simplify right side
    1,429,327.80x = 2,031,040,455,194.52
  5. Step 5: Solve for x
    x = 2,031,040,455,194.52/1,429,327.80
  6. Step 6: Final answer
    x = 1,420,975.97

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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.