Home / 1,150,742.56-1,587,283.68-763,549.60

Finding the Fourth Proportional to 1,150,742.56, 1,587,283.68 and 763,549.60

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Solution

The fourth proportional to 1,150,742.56, 1,587,283.68 and 763,549.60 is: 1,053,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,742.56 : 1,587,283.68 = 763,549.60 : x
  2. Step 2: Convert to fraction form
    1,150,742.56/1,587,283.68 = 763,549.60/x
  3. Step 3: Cross multiply
    1,150,742.56x = 1,587,283.68 × 763,549.60
  4. Step 4: Simplify right side
    1,150,742.56x = 1,211,969,818,950.53
  5. Step 5: Solve for x
    x = 1,211,969,818,950.53/1,150,742.56
  6. Step 6: Final answer
    x = 1,053,206.74

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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.