Home / 1,043,403.20-1,565,104.80-972,900.80

Finding the Fourth Proportional to 1,043,403.20, 1,565,104.80 and 972,900.80

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Solution

The fourth proportional to 1,043,403.20, 1,565,104.80 and 972,900.80 is: 1,459,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,403.20 : 1,565,104.80 = 972,900.80 : x
  2. Step 2: Convert to fraction form
    1,043,403.20/1,565,104.80 = 972,900.80/x
  3. Step 3: Cross multiply
    1,043,403.20x = 1,565,104.80 × 972,900.80
  4. Step 4: Simplify right side
    1,043,403.20x = 1,522,691,712,003.84
  5. Step 5: Solve for x
    x = 1,522,691,712,003.84/1,043,403.20
  6. Step 6: Final answer
    x = 1,459,351.20

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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.