Home / 1,345,867.20-1,857,245.40-742,255.20

Finding the Fourth Proportional to 1,345,867.20, 1,857,245.40 and 742,255.20

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Solution

The fourth proportional to 1,345,867.20, 1,857,245.40 and 742,255.20 is: 1,024,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,867.20 : 1,857,245.40 = 742,255.20 : x
  2. Step 2: Convert to fraction form
    1,345,867.20/1,857,245.40 = 742,255.20/x
  3. Step 3: Cross multiply
    1,345,867.20x = 1,857,245.40 × 742,255.20
  4. Step 4: Simplify right side
    1,345,867.20x = 1,378,550,055,826.08
  5. Step 5: Solve for x
    x = 1,378,550,055,826.08/1,345,867.20
  6. Step 6: Final answer
    x = 1,024,283.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.