Home / 1,198,667.04-1,654,210.86-689,369.88

Finding the Fourth Proportional to 1,198,667.04, 1,654,210.86 and 689,369.88

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Solution

The fourth proportional to 1,198,667.04, 1,654,210.86 and 689,369.88 is: 951,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,667.04 : 1,654,210.86 = 689,369.88 : x
  2. Step 2: Convert to fraction form
    1,198,667.04/1,654,210.86 = 689,369.88/x
  3. Step 3: Cross multiply
    1,198,667.04x = 1,654,210.86 × 689,369.88
  4. Step 4: Simplify right side
    1,198,667.04x = 1,140,363,142,052.90
  5. Step 5: Solve for x
    x = 1,140,363,142,052.90/1,198,667.04
  6. Step 6: Final answer
    x = 951,359.39

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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.