Home / 929,122.20-1,394,720.10-868,210.20

Finding the Fourth Proportional to 929,122.20, 1,394,720.10 and 868,210.20

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Solution

The fourth proportional to 929,122.20, 1,394,720.10 and 868,210.20 is: 1,303,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,122.20 : 1,394,720.10 = 868,210.20 : x
  2. Step 2: Convert to fraction form
    929,122.20/1,394,720.10 = 868,210.20/x
  3. Step 3: Cross multiply
    929,122.20x = 1,394,720.10 × 868,210.20
  4. Step 4: Simplify right side
    929,122.20x = 1,210,910,216,965.02
  5. Step 5: Solve for x
    x = 1,210,910,216,965.02/929,122.20
  6. Step 6: Final answer
    x = 1,303,284.13

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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.