Home / 1,427,875.11-2,142,373.39-628,595.87

Finding the Fourth Proportional to 1,427,875.11, 2,142,373.39 and 628,595.87

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Solution

The fourth proportional to 1,427,875.11, 2,142,373.39 and 628,595.87 is: 943,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,875.11 : 2,142,373.39 = 628,595.87 : x
  2. Step 2: Convert to fraction form
    1,427,875.11/2,142,373.39 = 628,595.87/x
  3. Step 3: Cross multiply
    1,427,875.11x = 2,142,373.39 × 628,595.87
  4. Step 4: Simplify right side
    1,427,875.11x = 1,346,687,052,668.54
  5. Step 5: Solve for x
    x = 1,346,687,052,668.54/1,427,875.11
  6. Step 6: Final answer
    x = 943,140.65

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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.