Home / 1,486,423.64-2,229,720.24-421,382

Finding the Fourth Proportional to 1,486,423.64, 2,229,720.24 and 421,382

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Solution

The fourth proportional to 1,486,423.64, 2,229,720.24 and 421,382 is: 632,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,423.64 : 2,229,720.24 = 421,382 : x
  2. Step 2: Convert to fraction form
    1,486,423.64/2,229,720.24 = 421,382/x
  3. Step 3: Cross multiply
    1,486,423.64x = 2,229,720.24 × 421,382
  4. Step 4: Simplify right side
    1,486,423.64x = 939,563,974,171.68
  5. Step 5: Solve for x
    x = 939,563,974,171.68/1,486,423.64
  6. Step 6: Final answer
    x = 632,097.03

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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.