Home / 1,358,507.78-1,874,760.18-746,717.12

Finding the Fourth Proportional to 1,358,507.78, 1,874,760.18 and 746,717.12

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Solution

The fourth proportional to 1,358,507.78, 1,874,760.18 and 746,717.12 is: 1,030,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,507.78 : 1,874,760.18 = 746,717.12 : x
  2. Step 2: Convert to fraction form
    1,358,507.78/1,874,760.18 = 746,717.12/x
  3. Step 3: Cross multiply
    1,358,507.78x = 1,874,760.18 × 746,717.12
  4. Step 4: Simplify right side
    1,358,507.78x = 1,399,915,522,300.28
  5. Step 5: Solve for x
    x = 1,399,915,522,300.28/1,358,507.78
  6. Step 6: Final answer
    x = 1,030,480.31

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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.