Home / 1,270,635.64-1,753,534.38-761,327.08

Finding the Fourth Proportional to 1,270,635.64, 1,753,534.38 and 761,327.08

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Solution

The fourth proportional to 1,270,635.64, 1,753,534.38 and 761,327.08 is: 1,050,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,635.64 : 1,753,534.38 = 761,327.08 : x
  2. Step 2: Convert to fraction form
    1,270,635.64/1,753,534.38 = 761,327.08/x
  3. Step 3: Cross multiply
    1,270,635.64x = 1,753,534.38 × 761,327.08
  4. Step 4: Simplify right side
    1,270,635.64x = 1,335,013,209,205.01
  5. Step 5: Solve for x
    x = 1,335,013,209,205.01/1,270,635.64
  6. Step 6: Final answer
    x = 1,050,665.64

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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.