Home / 1,000,101.57-1,380,164.47-570,421.68

Finding the Fourth Proportional to 1,000,101.57, 1,380,164.47 and 570,421.68

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Solution

The fourth proportional to 1,000,101.57, 1,380,164.47 and 570,421.68 is: 787,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,101.57 : 1,380,164.47 = 570,421.68 : x
  2. Step 2: Convert to fraction form
    1,000,101.57/1,380,164.47 = 570,421.68/x
  3. Step 3: Cross multiply
    1,000,101.57x = 1,380,164.47 × 570,421.68
  4. Step 4: Simplify right side
    1,000,101.57x = 787,275,734,227.66
  5. Step 5: Solve for x
    x = 787,275,734,227.66/1,000,101.57
  6. Step 6: Final answer
    x = 787,195.78

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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.