Home / 1,447,982.40-2,172,285.72-437,019.72

Finding the Fourth Proportional to 1,447,982.40, 2,172,285.72 and 437,019.72

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Solution

The fourth proportional to 1,447,982.40, 2,172,285.72 and 437,019.72 is: 655,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,982.40 : 2,172,285.72 = 437,019.72 : x
  2. Step 2: Convert to fraction form
    1,447,982.40/2,172,285.72 = 437,019.72/x
  3. Step 3: Cross multiply
    1,447,982.40x = 2,172,285.72 × 437,019.72
  4. Step 4: Simplify right side
    1,447,982.40x = 949,331,697,114.40
  5. Step 5: Solve for x
    x = 949,331,697,114.40/1,447,982.40
  6. Step 6: Final answer
    x = 655,623.78

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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.