Home / 1,489,765.40-2,234,648.10-1,373,125.40

Finding the Fourth Proportional to 1,489,765.40, 2,234,648.10 and 1,373,125.40

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Solution

The fourth proportional to 1,489,765.40, 2,234,648.10 and 1,373,125.40 is: 2,059,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,765.40 : 2,234,648.10 = 1,373,125.40 : x
  2. Step 2: Convert to fraction form
    1,489,765.40/2,234,648.10 = 1,373,125.40/x
  3. Step 3: Cross multiply
    1,489,765.40x = 2,234,648.10 × 1,373,125.40
  4. Step 4: Simplify right side
    1,489,765.40x = 3,068,452,066,171.74
  5. Step 5: Solve for x
    x = 3,068,452,066,171.74/1,489,765.40
  6. Step 6: Final answer
    x = 2,059,688.10

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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.