Home / 1,378,858.52-2,068,288.38-432,303.04

Finding the Fourth Proportional to 1,378,858.52, 2,068,288.38 and 432,303.04

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Solution

The fourth proportional to 1,378,858.52, 2,068,288.38 and 432,303.04 is: 648,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,858.52 : 2,068,288.38 = 432,303.04 : x
  2. Step 2: Convert to fraction form
    1,378,858.52/2,068,288.38 = 432,303.04/x
  3. Step 3: Cross multiply
    1,378,858.52x = 2,068,288.38 × 432,303.04
  4. Step 4: Simplify right side
    1,378,858.52x = 894,127,354,270.68
  5. Step 5: Solve for x
    x = 894,127,354,270.68/1,378,858.52
  6. Step 6: Final answer
    x = 648,454.75

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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.