Home / 1,000,121.76-1,380,019.66-607,450.52

Finding the Fourth Proportional to 1,000,121.76, 1,380,019.66 and 607,450.52

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Solution

The fourth proportional to 1,000,121.76, 1,380,019.66 and 607,450.52 is: 838,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,121.76 : 1,380,019.66 = 607,450.52 : x
  2. Step 2: Convert to fraction form
    1,000,121.76/1,380,019.66 = 607,450.52/x
  3. Step 3: Cross multiply
    1,000,121.76x = 1,380,019.66 × 607,450.52
  4. Step 4: Simplify right side
    1,000,121.76x = 838,293,660,077.22
  5. Step 5: Solve for x
    x = 838,293,660,077.22/1,000,121.76
  6. Step 6: Final answer
    x = 838,191.60

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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.