Home / 1,317,177.70-1,971,100.95-897,273.70

Finding the Fourth Proportional to 1,317,177.70, 1,971,100.95 and 897,273.70

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Solution

The fourth proportional to 1,317,177.70, 1,971,100.95 and 897,273.70 is: 1,342,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,177.70 : 1,971,100.95 = 897,273.70 : x
  2. Step 2: Convert to fraction form
    1,317,177.70/1,971,100.95 = 897,273.70/x
  3. Step 3: Cross multiply
    1,317,177.70x = 1,971,100.95 × 897,273.70
  4. Step 4: Simplify right side
    1,317,177.70x = 1,768,617,042,480.02
  5. Step 5: Solve for x
    x = 1,768,617,042,480.02/1,317,177.70
  6. Step 6: Final answer
    x = 1,342,732.30

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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.