Home / 1,057,987.20-1,587,126.60-383,905.20

Finding the Fourth Proportional to 1,057,987.20, 1,587,126.60 and 383,905.20

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Solution

The fourth proportional to 1,057,987.20, 1,587,126.60 and 383,905.20 is: 575,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,987.20 : 1,587,126.60 = 383,905.20 : x
  2. Step 2: Convert to fraction form
    1,057,987.20/1,587,126.60 = 383,905.20/x
  3. Step 3: Cross multiply
    1,057,987.20x = 1,587,126.60 × 383,905.20
  4. Step 4: Simplify right side
    1,057,987.20x = 609,306,154,798.32
  5. Step 5: Solve for x
    x = 609,306,154,798.32/1,057,987.20
  6. Step 6: Final answer
    x = 575,910.71

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1.5x scale

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.