Home / 1,383,609.60-2,073,859.20-709,430.40

Finding the Fourth Proportional to 1,383,609.60, 2,073,859.20 and 709,430.40

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Solution

The fourth proportional to 1,383,609.60, 2,073,859.20 and 709,430.40 is: 1,063,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,609.60 : 2,073,859.20 = 709,430.40 : x
  2. Step 2: Convert to fraction form
    1,383,609.60/2,073,859.20 = 709,430.40/x
  3. Step 3: Cross multiply
    1,383,609.60x = 2,073,859.20 × 709,430.40
  4. Step 4: Simplify right side
    1,383,609.60x = 1,471,258,761,799.68
  5. Step 5: Solve for x
    x = 1,471,258,761,799.68/1,383,609.60
  6. Step 6: Final answer
    x = 1,063,348.19

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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.