Home / 1,439,168.76-2,159,389.80-755,894.88

Finding the Fourth Proportional to 1,439,168.76, 2,159,389.80 and 755,894.88

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Solution

The fourth proportional to 1,439,168.76, 2,159,389.80 and 755,894.88 is: 1,134,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,168.76 : 2,159,389.80 = 755,894.88 : x
  2. Step 2: Convert to fraction form
    1,439,168.76/2,159,389.80 = 755,894.88/x
  3. Step 3: Cross multiply
    1,439,168.76x = 2,159,389.80 × 755,894.88
  4. Step 4: Simplify right side
    1,439,168.76x = 1,632,271,693,744.22
  5. Step 5: Solve for x
    x = 1,632,271,693,744.22/1,439,168.76
  6. Step 6: Final answer
    x = 1,134,176.71

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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.