Home / 1,492,076.96-2,238,777.12-781,936.40

Finding the Fourth Proportional to 1,492,076.96, 2,238,777.12 and 781,936.40

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Solution

The fourth proportional to 1,492,076.96, 2,238,777.12 and 781,936.40 is: 1,173,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,076.96 : 2,238,777.12 = 781,936.40 : x
  2. Step 2: Convert to fraction form
    1,492,076.96/2,238,777.12 = 781,936.40/x
  3. Step 3: Cross multiply
    1,492,076.96x = 2,238,777.12 × 781,936.40
  4. Step 4: Simplify right side
    1,492,076.96x = 1,750,581,321,615.17
  5. Step 5: Solve for x
    x = 1,750,581,321,615.17/1,492,076.96
  6. Step 6: Final answer
    x = 1,173,251.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.