Home / 1,980,305.20-2,970,572.32-560,242.32

Finding the Fourth Proportional to 1,980,305.20, 2,970,572.32 and 560,242.32

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Solution

The fourth proportional to 1,980,305.20, 2,970,572.32 and 560,242.32 is: 840,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,305.20 : 2,970,572.32 = 560,242.32 : x
  2. Step 2: Convert to fraction form
    1,980,305.20/2,970,572.32 = 560,242.32/x
  3. Step 3: Cross multiply
    1,980,305.20x = 2,970,572.32 × 560,242.32
  4. Step 4: Simplify right side
    1,980,305.20x = 1,664,240,328,284.58
  5. Step 5: Solve for x
    x = 1,664,240,328,284.58/1,980,305.20
  6. Step 6: Final answer
    x = 840,395.88

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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.