Home / 1,655,138.40-2,482,707.60-533,320.80

Finding the Fourth Proportional to 1,655,138.40, 2,482,707.60 and 533,320.80

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Solution

The fourth proportional to 1,655,138.40, 2,482,707.60 and 533,320.80 is: 799,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,138.40 : 2,482,707.60 = 533,320.80 : x
  2. Step 2: Convert to fraction form
    1,655,138.40/2,482,707.60 = 533,320.80/x
  3. Step 3: Cross multiply
    1,655,138.40x = 2,482,707.60 × 533,320.80
  4. Step 4: Simplify right side
    1,655,138.40x = 1,324,079,603,398.08
  5. Step 5: Solve for x
    x = 1,324,079,603,398.08/1,655,138.40
  6. Step 6: Final answer
    x = 799,981.20

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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.