Home / 1,431,758.88-2,144,771.28-862,823.52

Finding the Fourth Proportional to 1,431,758.88, 2,144,771.28 and 862,823.52

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Solution

The fourth proportional to 1,431,758.88, 2,144,771.28 and 862,823.52 is: 1,292,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,758.88 : 2,144,771.28 = 862,823.52 : x
  2. Step 2: Convert to fraction form
    1,431,758.88/2,144,771.28 = 862,823.52/x
  3. Step 3: Cross multiply
    1,431,758.88x = 2,144,771.28 × 862,823.52
  4. Step 4: Simplify right side
    1,431,758.88x = 1,850,559,105,404.51
  5. Step 5: Solve for x
    x = 1,850,559,105,404.51/1,431,758.88
  6. Step 6: Final answer
    x = 1,292,507.51

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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.