Home / 1,489,680.68-2,234,541.78-424,722.74

Finding the Fourth Proportional to 1,489,680.68, 2,234,541.78 and 424,722.74

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Solution

The fourth proportional to 1,489,680.68, 2,234,541.78 and 424,722.74 is: 637,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,680.68 : 2,234,541.78 = 424,722.74 : x
  2. Step 2: Convert to fraction form
    1,489,680.68/2,234,541.78 = 424,722.74/x
  3. Step 3: Cross multiply
    1,489,680.68x = 2,234,541.78 × 424,722.74
  4. Step 4: Simplify right side
    1,489,680.68x = 949,060,694,149.76
  5. Step 5: Solve for x
    x = 949,060,694,149.76/1,489,680.68
  6. Step 6: Final answer
    x = 637,090.02

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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.