Home / 1,339,291.86-2,009,624.67-656,165.70

Finding the Fourth Proportional to 1,339,291.86, 2,009,624.67 and 656,165.70

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Solution

The fourth proportional to 1,339,291.86, 2,009,624.67 and 656,165.70 is: 984,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,291.86 : 2,009,624.67 = 656,165.70 : x
  2. Step 2: Convert to fraction form
    1,339,291.86/2,009,624.67 = 656,165.70/x
  3. Step 3: Cross multiply
    1,339,291.86x = 2,009,624.67 × 656,165.70
  4. Step 4: Simplify right side
    1,339,291.86x = 1,318,646,778,327.82
  5. Step 5: Solve for x
    x = 1,318,646,778,327.82/1,339,291.86
  6. Step 6: Final answer
    x = 984,585.08

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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.