Home / 1,023,187.20-1,534,780.80-313,216.80

Finding the Fourth Proportional to 1,023,187.20, 1,534,780.80 and 313,216.80

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Solution

The fourth proportional to 1,023,187.20, 1,534,780.80 and 313,216.80 is: 469,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,187.20 : 1,534,780.80 = 313,216.80 : x
  2. Step 2: Convert to fraction form
    1,023,187.20/1,534,780.80 = 313,216.80/x
  3. Step 3: Cross multiply
    1,023,187.20x = 1,534,780.80 × 313,216.80
  4. Step 4: Simplify right side
    1,023,187.20x = 480,719,130,877.44
  5. Step 5: Solve for x
    x = 480,719,130,877.44/1,023,187.20
  6. Step 6: Final answer
    x = 469,825.20

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1.5x scale

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.