Home / 1,141,749.57-1,712,864.84-431,761.89

Finding the Fourth Proportional to 1,141,749.57, 1,712,864.84 and 431,761.89

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Solution

The fourth proportional to 1,141,749.57, 1,712,864.84 and 431,761.89 is: 647,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,749.57 : 1,712,864.84 = 431,761.89 : x
  2. Step 2: Convert to fraction form
    1,141,749.57/1,712,864.84 = 431,761.89/x
  3. Step 3: Cross multiply
    1,141,749.57x = 1,712,864.84 × 431,761.89
  4. Step 4: Simplify right side
    1,141,749.57x = 739,549,758,474.14
  5. Step 5: Solve for x
    x = 739,549,758,474.14/1,141,749.57
  6. Step 6: Final answer
    x = 647,733.77

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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.