Home / 1,440,708.76-2,161,155.30-554,244.76

Finding the Fourth Proportional to 1,440,708.76, 2,161,155.30 and 554,244.76

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Solution

The fourth proportional to 1,440,708.76, 2,161,155.30 and 554,244.76 is: 831,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,708.76 : 2,161,155.30 = 554,244.76 : x
  2. Step 2: Convert to fraction form
    1,440,708.76/2,161,155.30 = 554,244.76/x
  3. Step 3: Cross multiply
    1,440,708.76x = 2,161,155.30 × 554,244.76
  4. Step 4: Simplify right side
    1,440,708.76x = 1,197,809,000,571.23
  5. Step 5: Solve for x
    x = 1,197,809,000,571.23/1,440,708.76
  6. Step 6: Final answer
    x = 831,402.59

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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.