Home / 1,000,040.26-1,380,079.18-570,311.17

Finding the Fourth Proportional to 1,000,040.26, 1,380,079.18 and 570,311.17

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Solution

The fourth proportional to 1,000,040.26, 1,380,079.18 and 570,311.17 is: 787,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,040.26 : 1,380,079.18 = 570,311.17 : x
  2. Step 2: Convert to fraction form
    1,000,040.26/1,380,079.18 = 570,311.17/x
  3. Step 3: Cross multiply
    1,000,040.26x = 1,380,079.18 × 570,311.17
  4. Step 4: Simplify right side
    1,000,040.26x = 787,074,568,363.41
  5. Step 5: Solve for x
    x = 787,074,568,363.41/1,000,040.26
  6. Step 6: Final answer
    x = 787,042.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.