Home / 1,206,248.72-1,664,756.06-690,050.21

Finding the Fourth Proportional to 1,206,248.72, 1,664,756.06 and 690,050.21

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Solution

The fourth proportional to 1,206,248.72, 1,664,756.06 and 690,050.21 is: 952,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,248.72 : 1,664,756.06 = 690,050.21 : x
  2. Step 2: Convert to fraction form
    1,206,248.72/1,664,756.06 = 690,050.21/x
  3. Step 3: Cross multiply
    1,206,248.72x = 1,664,756.06 × 690,050.21
  4. Step 4: Simplify right side
    1,206,248.72x = 1,148,765,257,027.74
  5. Step 5: Solve for x
    x = 1,148,765,257,027.74/1,206,248.72
  6. Step 6: Final answer
    x = 952,345.27

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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.