Home / 1,259,138.20-1,888,707.30-1,010,306.20

Finding the Fourth Proportional to 1,259,138.20, 1,888,707.30 and 1,010,306.20

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Solution

The fourth proportional to 1,259,138.20, 1,888,707.30 and 1,010,306.20 is: 1,515,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,138.20 : 1,888,707.30 = 1,010,306.20 : x
  2. Step 2: Convert to fraction form
    1,259,138.20/1,888,707.30 = 1,010,306.20/x
  3. Step 3: Cross multiply
    1,259,138.20x = 1,888,707.30 × 1,010,306.20
  4. Step 4: Simplify right side
    1,259,138.20x = 1,908,172,695,175.26
  5. Step 5: Solve for x
    x = 1,908,172,695,175.26/1,259,138.20
  6. Step 6: Final answer
    x = 1,515,459.30

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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.