Home / 1,423,418-2,135,431.48-524,862.16

Finding the Fourth Proportional to 1,423,418, 2,135,431.48 and 524,862.16

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Solution

The fourth proportional to 1,423,418, 2,135,431.48 and 524,862.16 is: 787,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,418 : 2,135,431.48 = 524,862.16 : x
  2. Step 2: Convert to fraction form
    1,423,418/2,135,431.48 = 524,862.16/x
  3. Step 3: Cross multiply
    1,423,418x = 2,135,431.48 × 524,862.16
  4. Step 4: Simplify right side
    1,423,418x = 1,120,807,179,124.80
  5. Step 5: Solve for x
    x = 1,120,807,179,124.80/1,423,418
  6. Step 6: Final answer
    x = 787,405.51

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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.