Home / 1,780,717.76-2,671,056.91-432,881.65

Finding the Fourth Proportional to 1,780,717.76, 2,671,056.91 and 432,881.65

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Solution

The fourth proportional to 1,780,717.76, 2,671,056.91 and 432,881.65 is: 649,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,717.76 : 2,671,056.91 = 432,881.65 : x
  2. Step 2: Convert to fraction form
    1,780,717.76/2,671,056.91 = 432,881.65/x
  3. Step 3: Cross multiply
    1,780,717.76x = 2,671,056.91 × 432,881.65
  4. Step 4: Simplify right side
    1,780,717.76x = 1,156,251,522,444.70
  5. Step 5: Solve for x
    x = 1,156,251,522,444.70/1,780,717.76
  6. Step 6: Final answer
    x = 649,317.68

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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.