Home / 1,129,593.60-1,559,433.60-699,667.20

Finding the Fourth Proportional to 1,129,593.60, 1,559,433.60 and 699,667.20

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Solution

The fourth proportional to 1,129,593.60, 1,559,433.60 and 699,667.20 is: 965,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,593.60 : 1,559,433.60 = 699,667.20 : x
  2. Step 2: Convert to fraction form
    1,129,593.60/1,559,433.60 = 699,667.20/x
  3. Step 3: Cross multiply
    1,129,593.60x = 1,559,433.60 × 699,667.20
  4. Step 4: Simplify right side
    1,129,593.60x = 1,091,084,540,497.92
  5. Step 5: Solve for x
    x = 1,091,084,540,497.92/1,129,593.60
  6. Step 6: Final answer
    x = 965,908.93

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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.