Home / 1,000,120.76-1,380,018.28-607,449.52

Finding the Fourth Proportional to 1,000,120.76, 1,380,018.28 and 607,449.52

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Solution

The fourth proportional to 1,000,120.76, 1,380,018.28 and 607,449.52 is: 838,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,120.76 : 1,380,018.28 = 607,449.52 : x
  2. Step 2: Convert to fraction form
    1,000,120.76/1,380,018.28 = 607,449.52/x
  3. Step 3: Cross multiply
    1,000,120.76x = 1,380,018.28 × 607,449.52
  4. Step 4: Simplify right side
    1,000,120.76x = 838,291,441,777.23
  5. Step 5: Solve for x
    x = 838,291,441,777.23/1,000,120.76
  6. Step 6: Final answer
    x = 838,190.22

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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.