Home / 1,209,129.60-1,667,466.09-750,318.60

Finding the Fourth Proportional to 1,209,129.60, 1,667,466.09 and 750,318.60

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Solution

The fourth proportional to 1,209,129.60, 1,667,466.09 and 750,318.60 is: 1,034,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,129.60 : 1,667,466.09 = 750,318.60 : x
  2. Step 2: Convert to fraction form
    1,209,129.60/1,667,466.09 = 750,318.60/x
  3. Step 3: Cross multiply
    1,209,129.60x = 1,667,466.09 × 750,318.60
  4. Step 4: Simplify right side
    1,209,129.60x = 1,251,130,822,196.27
  5. Step 5: Solve for x
    x = 1,251,130,822,196.27/1,209,129.60
  6. Step 6: Final answer
    x = 1,034,736.74

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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.