Home / 1,275,710.41-1,913,517.75-316,169.17

Finding the Fourth Proportional to 1,275,710.41, 1,913,517.75 and 316,169.17

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Solution

The fourth proportional to 1,275,710.41, 1,913,517.75 and 316,169.17 is: 474,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,710.41 : 1,913,517.75 = 316,169.17 : x
  2. Step 2: Convert to fraction form
    1,275,710.41/1,913,517.75 = 316,169.17/x
  3. Step 3: Cross multiply
    1,275,710.41x = 1,913,517.75 × 316,169.17
  4. Step 4: Simplify right side
    1,275,710.41x = 604,995,318,797.77
  5. Step 5: Solve for x
    x = 604,995,318,797.77/1,275,710.41
  6. Step 6: Final answer
    x = 474,241.89

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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.