Home / 1,206,333.32-1,664,767.89-690,135.71

Finding the Fourth Proportional to 1,206,333.32, 1,664,767.89 and 690,135.71

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Solution

The fourth proportional to 1,206,333.32, 1,664,767.89 and 690,135.71 is: 952,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,333.32 : 1,664,767.89 = 690,135.71 : x
  2. Step 2: Convert to fraction form
    1,206,333.32/1,664,767.89 = 690,135.71/x
  3. Step 3: Cross multiply
    1,206,333.32x = 1,664,767.89 × 690,135.71
  4. Step 4: Simplify right side
    1,206,333.32x = 1,148,915,761,426.51
  5. Step 5: Solve for x
    x = 1,148,915,761,426.51/1,206,333.32
  6. Step 6: Final answer
    x = 952,403.24

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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.