Home / 1,035,330.56-1,553,004.48-287,434.88

Finding the Fourth Proportional to 1,035,330.56, 1,553,004.48 and 287,434.88

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Solution

The fourth proportional to 1,035,330.56, 1,553,004.48 and 287,434.88 is: 431,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,330.56 : 1,553,004.48 = 287,434.88 : x
  2. Step 2: Convert to fraction form
    1,035,330.56/1,553,004.48 = 287,434.88/x
  3. Step 3: Cross multiply
    1,035,330.56x = 1,553,004.48 × 287,434.88
  4. Step 4: Simplify right side
    1,035,330.56x = 446,387,656,348.26
  5. Step 5: Solve for x
    x = 446,387,656,348.26/1,035,330.56
  6. Step 6: Final answer
    x = 431,154.72

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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.