Home / 1,454,870.32-2,180,905.76-745,232.56

Finding the Fourth Proportional to 1,454,870.32, 2,180,905.76 and 745,232.56

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Solution

The fourth proportional to 1,454,870.32, 2,180,905.76 and 745,232.56 is: 1,117,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,870.32 : 2,180,905.76 = 745,232.56 : x
  2. Step 2: Convert to fraction form
    1,454,870.32/2,180,905.76 = 745,232.56/x
  3. Step 3: Cross multiply
    1,454,870.32x = 2,180,905.76 × 745,232.56
  4. Step 4: Simplify right side
    1,454,870.32x = 1,625,281,982,643.55
  5. Step 5: Solve for x
    x = 1,625,281,982,643.55/1,454,870.32
  6. Step 6: Final answer
    x = 1,117,131.86

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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.