Home / 1,419,590.25-2,128,335.62-858,500.01

Finding the Fourth Proportional to 1,419,590.25, 2,128,335.62 and 858,500.01

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Solution

The fourth proportional to 1,419,590.25, 2,128,335.62 and 858,500.01 is: 1,287,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,590.25 : 2,128,335.62 = 858,500.01 : x
  2. Step 2: Convert to fraction form
    1,419,590.25/2,128,335.62 = 858,500.01/x
  3. Step 3: Cross multiply
    1,419,590.25x = 2,128,335.62 × 858,500.01
  4. Step 4: Simplify right side
    1,419,590.25x = 1,827,176,146,760.86
  5. Step 5: Solve for x
    x = 1,827,176,146,760.86/1,419,590.25
  6. Step 6: Final answer
    x = 1,287,115.17

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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.