Home / 1,780,162.65-2,670,219.14-432,335.61

Finding the Fourth Proportional to 1,780,162.65, 2,670,219.14 and 432,335.61

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Solution

The fourth proportional to 1,780,162.65, 2,670,219.14 and 432,335.61 is: 648,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,162.65 : 2,670,219.14 = 432,335.61 : x
  2. Step 2: Convert to fraction form
    1,780,162.65/2,670,219.14 = 432,335.61/x
  3. Step 3: Cross multiply
    1,780,162.65x = 2,670,219.14 × 432,335.61
  4. Step 4: Simplify right side
    1,780,162.65x = 1,154,430,818,563.90
  5. Step 5: Solve for x
    x = 1,154,430,818,563.90/1,780,162.65
  6. Step 6: Final answer
    x = 648,497.38

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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.