Home / 1,489,708.28-2,234,583.21-424,750.76

Finding the Fourth Proportional to 1,489,708.28, 2,234,583.21 and 424,750.76

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Solution

The fourth proportional to 1,489,708.28, 2,234,583.21 and 424,750.76 is: 637,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,708.28 : 2,234,583.21 = 424,750.76 : x
  2. Step 2: Convert to fraction form
    1,489,708.28/2,234,583.21 = 424,750.76/x
  3. Step 3: Cross multiply
    1,489,708.28x = 2,234,583.21 × 424,750.76
  4. Step 4: Simplify right side
    1,489,708.28x = 949,140,905,557.82
  5. Step 5: Solve for x
    x = 949,140,905,557.82/1,489,708.28
  6. Step 6: Final answer
    x = 637,132.06

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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.