Home / 1,206,415.58-1,664,894.32-690,254.42

Finding the Fourth Proportional to 1,206,415.58, 1,664,894.32 and 690,254.42

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Solution

The fourth proportional to 1,206,415.58, 1,664,894.32 and 690,254.42 is: 952,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,415.58 : 1,664,894.32 = 690,254.42 : x
  2. Step 2: Convert to fraction form
    1,206,415.58/1,664,894.32 = 690,254.42/x
  3. Step 3: Cross multiply
    1,206,415.58x = 1,664,894.32 × 690,254.42
  4. Step 4: Simplify right side
    1,206,415.58x = 1,149,200,653,162.79
  5. Step 5: Solve for x
    x = 1,149,200,653,162.79/1,206,415.58
  6. Step 6: Final answer
    x = 952,574.45

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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.