Home / 1,038,108.52-1,431,694.74-675,399.88

Finding the Fourth Proportional to 1,038,108.52, 1,431,694.74 and 675,399.88

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Solution

The fourth proportional to 1,038,108.52, 1,431,694.74 and 675,399.88 is: 931,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,108.52 : 1,431,694.74 = 675,399.88 : x
  2. Step 2: Convert to fraction form
    1,038,108.52/1,431,694.74 = 675,399.88/x
  3. Step 3: Cross multiply
    1,038,108.52x = 1,431,694.74 × 675,399.88
  4. Step 4: Simplify right side
    1,038,108.52x = 966,966,455,592.63
  5. Step 5: Solve for x
    x = 966,966,455,592.63/1,038,108.52
  6. Step 6: Final answer
    x = 931,469.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.