Home / 1,487,667-2,052,972.78-808,607.16

Finding the Fourth Proportional to 1,487,667, 2,052,972.78 and 808,607.16

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Solution

The fourth proportional to 1,487,667, 2,052,972.78 and 808,607.16 is: 1,115,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,667 : 2,052,972.78 = 808,607.16 : x
  2. Step 2: Convert to fraction form
    1,487,667/2,052,972.78 = 808,607.16/x
  3. Step 3: Cross multiply
    1,487,667x = 2,052,972.78 × 808,607.16
  4. Step 4: Simplify right side
    1,487,667x = 1,660,048,489,193.11
  5. Step 5: Solve for x
    x = 1,660,048,489,193.11/1,487,667
  6. Step 6: Final answer
    x = 1,115,873.71

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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.