Home / 1,436,864.58-2,155,305.38-425,995.35

Finding the Fourth Proportional to 1,436,864.58, 2,155,305.38 and 425,995.35

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Solution

The fourth proportional to 1,436,864.58, 2,155,305.38 and 425,995.35 is: 638,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,864.58 : 2,155,305.38 = 425,995.35 : x
  2. Step 2: Convert to fraction form
    1,436,864.58/2,155,305.38 = 425,995.35/x
  3. Step 3: Cross multiply
    1,436,864.58x = 2,155,305.38 × 425,995.35
  4. Step 4: Simplify right side
    1,436,864.58x = 918,150,067,580.01
  5. Step 5: Solve for x
    x = 918,150,067,580.01/1,436,864.58
  6. Step 6: Final answer
    x = 638,995.55

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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.