Home / 1,107,529.20-1,660,807.80-508,291.20

Finding the Fourth Proportional to 1,107,529.20, 1,660,807.80 and 508,291.20

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Solution

The fourth proportional to 1,107,529.20, 1,660,807.80 and 508,291.20 is: 762,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,529.20 : 1,660,807.80 = 508,291.20 : x
  2. Step 2: Convert to fraction form
    1,107,529.20/1,660,807.80 = 508,291.20/x
  3. Step 3: Cross multiply
    1,107,529.20x = 1,660,807.80 × 508,291.20
  4. Step 4: Simplify right side
    1,107,529.20x = 844,173,989,631.36
  5. Step 5: Solve for x
    x = 844,173,989,631.36/1,107,529.20
  6. Step 6: Final answer
    x = 762,213.75

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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.