Home / 1,299,341.28-1,793,130.48-726,405.60

Finding the Fourth Proportional to 1,299,341.28, 1,793,130.48 and 726,405.60

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Solution

The fourth proportional to 1,299,341.28, 1,793,130.48 and 726,405.60 is: 1,002,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,341.28 : 1,793,130.48 = 726,405.60 : x
  2. Step 2: Convert to fraction form
    1,299,341.28/1,793,130.48 = 726,405.60/x
  3. Step 3: Cross multiply
    1,299,341.28x = 1,793,130.48 × 726,405.60
  4. Step 4: Simplify right side
    1,299,341.28x = 1,302,540,022,202.69
  5. Step 5: Solve for x
    x = 1,302,540,022,202.69/1,299,341.28
  6. Step 6: Final answer
    x = 1,002,461.82

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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.