Home / 1,392,001.80-2,088,002.70-727,067.40

Finding the Fourth Proportional to 1,392,001.80, 2,088,002.70 and 727,067.40

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Solution

The fourth proportional to 1,392,001.80, 2,088,002.70 and 727,067.40 is: 1,090,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,001.80 : 2,088,002.70 = 727,067.40 : x
  2. Step 2: Convert to fraction form
    1,392,001.80/2,088,002.70 = 727,067.40/x
  3. Step 3: Cross multiply
    1,392,001.80x = 2,088,002.70 × 727,067.40
  4. Step 4: Simplify right side
    1,392,001.80x = 1,518,118,694,281.98
  5. Step 5: Solve for x
    x = 1,518,118,694,281.98/1,392,001.80
  6. Step 6: Final answer
    x = 1,090,601.10

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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.