Home / 1,035,887.20-1,553,834.40-287,932.48

Finding the Fourth Proportional to 1,035,887.20, 1,553,834.40 and 287,932.48

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Solution

The fourth proportional to 1,035,887.20, 1,553,834.40 and 287,932.48 is: 431,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,887.20 : 1,553,834.40 = 287,932.48 : x
  2. Step 2: Convert to fraction form
    1,035,887.20/1,553,834.40 = 287,932.48/x
  3. Step 3: Cross multiply
    1,035,887.20x = 1,553,834.40 × 287,932.48
  4. Step 4: Simplify right side
    1,035,887.20x = 447,399,392,301.31
  5. Step 5: Solve for x
    x = 447,399,392,301.31/1,035,887.20
  6. Step 6: Final answer
    x = 431,899.72

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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.