Home / 1,409,332.32-2,113,609.68-398,374.56

Finding the Fourth Proportional to 1,409,332.32, 2,113,609.68 and 398,374.56

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Solution

The fourth proportional to 1,409,332.32, 2,113,609.68 and 398,374.56 is: 597,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,332.32 : 2,113,609.68 = 398,374.56 : x
  2. Step 2: Convert to fraction form
    1,409,332.32/2,113,609.68 = 398,374.56/x
  3. Step 3: Cross multiply
    1,409,332.32x = 2,113,609.68 × 398,374.56
  4. Step 4: Simplify right side
    1,409,332.32x = 842,008,326,281.74
  5. Step 5: Solve for x
    x = 842,008,326,281.74/1,409,332.32
  6. Step 6: Final answer
    x = 597,451.94

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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.