Home / 1,270,688.64-1,753,607.52-761,380.08

Finding the Fourth Proportional to 1,270,688.64, 1,753,607.52 and 761,380.08

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Solution

The fourth proportional to 1,270,688.64, 1,753,607.52 and 761,380.08 is: 1,050,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,688.64 : 1,753,607.52 = 761,380.08 : x
  2. Step 2: Convert to fraction form
    1,270,688.64/1,753,607.52 = 761,380.08/x
  3. Step 3: Cross multiply
    1,270,688.64x = 1,753,607.52 × 761,380.08
  4. Step 4: Simplify right side
    1,270,688.64x = 1,335,161,833,866.20
  5. Step 5: Solve for x
    x = 1,335,161,833,866.20/1,270,688.64
  6. Step 6: Final answer
    x = 1,050,738.78

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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.