Home / 1,358,622.72-1,872,923.28-949,454.16

Finding the Fourth Proportional to 1,358,622.72, 1,872,923.28 and 949,454.16

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Solution

The fourth proportional to 1,358,622.72, 1,872,923.28 and 949,454.16 is: 1,308,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,622.72 : 1,872,923.28 = 949,454.16 : x
  2. Step 2: Convert to fraction form
    1,358,622.72/1,872,923.28 = 949,454.16/x
  3. Step 3: Cross multiply
    1,358,622.72x = 1,872,923.28 × 949,454.16
  4. Step 4: Simplify right side
    1,358,622.72x = 1,778,254,799,556.85
  5. Step 5: Solve for x
    x = 1,778,254,799,556.85/1,358,622.72
  6. Step 6: Final answer
    x = 1,308,865.79

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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.