Home / 1,729,152.46-2,386,432.80-1,438,250.80

Finding the Fourth Proportional to 1,729,152.46, 2,386,432.80 and 1,438,250.80

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Solution

The fourth proportional to 1,729,152.46, 2,386,432.80 and 1,438,250.80 is: 1,984,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,152.46 : 2,386,432.80 = 1,438,250.80 : x
  2. Step 2: Convert to fraction form
    1,729,152.46/2,386,432.80 = 1,438,250.80/x
  3. Step 3: Cross multiply
    1,729,152.46x = 2,386,432.80 × 1,438,250.80
  4. Step 4: Simplify right side
    1,729,152.46x = 3,432,288,883,746.24
  5. Step 5: Solve for x
    x = 3,432,288,883,746.24/1,729,152.46
  6. Step 6: Final answer
    x = 1,984,954.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.