Home / 997,421.35-1,498,346.43-618,622.06

Finding the Fourth Proportional to 997,421.35, 1,498,346.43 and 618,622.06

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Solution

The fourth proportional to 997,421.35, 1,498,346.43 and 618,622.06 is: 929,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,421.35 : 1,498,346.43 = 618,622.06 : x
  2. Step 2: Convert to fraction form
    997,421.35/1,498,346.43 = 618,622.06/x
  3. Step 3: Cross multiply
    997,421.35x = 1,498,346.43 × 618,622.06
  4. Step 4: Simplify right side
    997,421.35x = 926,910,155,120.25
  5. Step 5: Solve for x
    x = 926,910,155,120.25/997,421.35
  6. Step 6: Final answer
    x = 929,306.51

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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.