Home / 1,780,468.60-2,670,706.20-432,632.32

Finding the Fourth Proportional to 1,780,468.60, 2,670,706.20 and 432,632.32

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Solution

The fourth proportional to 1,780,468.60, 2,670,706.20 and 432,632.32 is: 648,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,468.60 : 2,670,706.20 = 432,632.32 : x
  2. Step 2: Convert to fraction form
    1,780,468.60/2,670,706.20 = 432,632.32/x
  3. Step 3: Cross multiply
    1,780,468.60x = 2,670,706.20 × 432,632.32
  4. Step 4: Simplify right side
    1,780,468.60x = 1,155,433,819,344.38
  5. Step 5: Solve for x
    x = 1,155,433,819,344.38/1,780,468.60
  6. Step 6: Final answer
    x = 648,949.28

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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.