Home / 1,358,489.23-1,874,734.55-746,698.57

Finding the Fourth Proportional to 1,358,489.23, 1,874,734.55 and 746,698.57

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Solution

The fourth proportional to 1,358,489.23, 1,874,734.55 and 746,698.57 is: 1,030,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,489.23 : 1,874,734.55 = 746,698.57 : x
  2. Step 2: Convert to fraction form
    1,358,489.23/1,874,734.55 = 746,698.57/x
  3. Step 3: Cross multiply
    1,358,489.23x = 1,874,734.55 × 746,698.57
  4. Step 4: Simplify right side
    1,358,489.23x = 1,399,861,607,614.59
  5. Step 5: Solve for x
    x = 1,399,861,607,614.59/1,358,489.23
  6. Step 6: Final answer
    x = 1,030,454.70

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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.