Home / 1,105,765.64-1,525,371.30-761,003.02

Finding the Fourth Proportional to 1,105,765.64, 1,525,371.30 and 761,003.02

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Solution

The fourth proportional to 1,105,765.64, 1,525,371.30 and 761,003.02 is: 1,049,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,765.64 : 1,525,371.30 = 761,003.02 : x
  2. Step 2: Convert to fraction form
    1,105,765.64/1,525,371.30 = 761,003.02/x
  3. Step 3: Cross multiply
    1,105,765.64x = 1,525,371.30 × 761,003.02
  4. Step 4: Simplify right side
    1,105,765.64x = 1,160,812,165,921.33
  5. Step 5: Solve for x
    x = 1,160,812,165,921.33/1,105,765.64
  6. Step 6: Final answer
    x = 1,049,781.37

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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.