Home / 1,038,165.20-1,556,729.40-476,565.20

Finding the Fourth Proportional to 1,038,165.20, 1,556,729.40 and 476,565.20

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Solution

The fourth proportional to 1,038,165.20, 1,556,729.40 and 476,565.20 is: 714,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,165.20 : 1,556,729.40 = 476,565.20 : x
  2. Step 2: Convert to fraction form
    1,038,165.20/1,556,729.40 = 476,565.20/x
  3. Step 3: Cross multiply
    1,038,165.20x = 1,556,729.40 × 476,565.20
  4. Step 4: Simplify right side
    1,038,165.20x = 741,883,057,856.88
  5. Step 5: Solve for x
    x = 741,883,057,856.88/1,038,165.20
  6. Step 6: Final answer
    x = 714,609.83

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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.