Home / 1,008,029.20-1,510,002.60-627,782.80

Finding the Fourth Proportional to 1,008,029.20, 1,510,002.60 and 627,782.80

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Solution

The fourth proportional to 1,008,029.20, 1,510,002.60 and 627,782.80 is: 940,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,029.20 : 1,510,002.60 = 627,782.80 : x
  2. Step 2: Convert to fraction form
    1,008,029.20/1,510,002.60 = 627,782.80/x
  3. Step 3: Cross multiply
    1,008,029.20x = 1,510,002.60 × 627,782.80
  4. Step 4: Simplify right side
    1,008,029.20x = 947,953,660,235.28
  5. Step 5: Solve for x
    x = 947,953,660,235.28/1,008,029.20
  6. Step 6: Final answer
    x = 940,402.98

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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.