Home / 859,667.80-1,289,501.70-754,691.80

Finding the Fourth Proportional to 859,667.80, 1,289,501.70 and 754,691.80

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Solution

The fourth proportional to 859,667.80, 1,289,501.70 and 754,691.80 is: 1,132,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,667.80 : 1,289,501.70 = 754,691.80 : x
  2. Step 2: Convert to fraction form
    859,667.80/1,289,501.70 = 754,691.80/x
  3. Step 3: Cross multiply
    859,667.80x = 1,289,501.70 × 754,691.80
  4. Step 4: Simplify right side
    859,667.80x = 973,176,359,076.06
  5. Step 5: Solve for x
    x = 973,176,359,076.06/859,667.80
  6. Step 6: Final answer
    x = 1,132,037.70

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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.