Home / 1,244,210.79-1,866,315.38-711,358.17

Finding the Fourth Proportional to 1,244,210.79, 1,866,315.38 and 711,358.17

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Solution

The fourth proportional to 1,244,210.79, 1,866,315.38 and 711,358.17 is: 1,067,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,210.79 : 1,866,315.38 = 711,358.17 : x
  2. Step 2: Convert to fraction form
    1,244,210.79/1,866,315.38 = 711,358.17/x
  3. Step 3: Cross multiply
    1,244,210.79x = 1,866,315.38 × 711,358.17
  4. Step 4: Simplify right side
    1,244,210.79x = 1,327,618,689,802.86
  5. Step 5: Solve for x
    x = 1,327,618,689,802.86/1,244,210.79
  6. Step 6: Final answer
    x = 1,067,036.79

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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.