Home / 1,287,035.97-1,931,062.44-488,529.46

Finding the Fourth Proportional to 1,287,035.97, 1,931,062.44 and 488,529.46

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Solution

The fourth proportional to 1,287,035.97, 1,931,062.44 and 488,529.46 is: 732,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,035.97 : 1,931,062.44 = 488,529.46 : x
  2. Step 2: Convert to fraction form
    1,287,035.97/1,931,062.44 = 488,529.46/x
  3. Step 3: Cross multiply
    1,287,035.97x = 1,931,062.44 × 488,529.46
  4. Step 4: Simplify right side
    1,287,035.97x = 943,380,895,285.30
  5. Step 5: Solve for x
    x = 943,380,895,285.30/1,287,035.97
  6. Step 6: Final answer
    x = 732,987.20

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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.