Home / 1,294,214.12-1,786,021.48-750,671.72

Finding the Fourth Proportional to 1,294,214.12, 1,786,021.48 and 750,671.72

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Solution

The fourth proportional to 1,294,214.12, 1,786,021.48 and 750,671.72 is: 1,035,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,214.12 : 1,786,021.48 = 750,671.72 : x
  2. Step 2: Convert to fraction form
    1,294,214.12/1,786,021.48 = 750,671.72/x
  3. Step 3: Cross multiply
    1,294,214.12x = 1,786,021.48 × 750,671.72
  4. Step 4: Simplify right side
    1,294,214.12x = 1,340,715,816,348.55
  5. Step 5: Solve for x
    x = 1,340,715,816,348.55/1,294,214.12
  6. Step 6: Final answer
    x = 1,035,930.45

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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.