Home / 1,300,023.20-1,794,122.88-727,116.32

Finding the Fourth Proportional to 1,300,023.20, 1,794,122.88 and 727,116.32

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Solution

The fourth proportional to 1,300,023.20, 1,794,122.88 and 727,116.32 is: 1,003,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,023.20 : 1,794,122.88 = 727,116.32 : x
  2. Step 2: Convert to fraction form
    1,300,023.20/1,794,122.88 = 727,116.32/x
  3. Step 3: Cross multiply
    1,300,023.20x = 1,794,122.88 × 727,116.32
  4. Step 4: Simplify right side
    1,300,023.20x = 1,304,536,026,133.40
  5. Step 5: Solve for x
    x = 1,304,536,026,133.40/1,300,023.20
  6. Step 6: Final answer
    x = 1,003,471.34

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1.5x scale

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.