Home / 1,480,589.40-2,221,920.90-949,402.20

Finding the Fourth Proportional to 1,480,589.40, 2,221,920.90 and 949,402.20

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Solution

The fourth proportional to 1,480,589.40, 2,221,920.90 and 949,402.20 is: 1,424,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,589.40 : 2,221,920.90 = 949,402.20 : x
  2. Step 2: Convert to fraction form
    1,480,589.40/2,221,920.90 = 949,402.20/x
  3. Step 3: Cross multiply
    1,480,589.40x = 2,221,920.90 × 949,402.20
  4. Step 4: Simplify right side
    1,480,589.40x = 2,109,496,590,685.98
  5. Step 5: Solve for x
    x = 2,109,496,590,685.98/1,480,589.40
  6. Step 6: Final answer
    x = 1,424,768.13

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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.