Home / 1,248,923.32-1,723,555.92-765,395.04

Finding the Fourth Proportional to 1,248,923.32, 1,723,555.92 and 765,395.04

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Solution

The fourth proportional to 1,248,923.32, 1,723,555.92 and 765,395.04 is: 1,056,270.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,923.32 : 1,723,555.92 = 765,395.04 : x
  2. Step 2: Convert to fraction form
    1,248,923.32/1,723,555.92 = 765,395.04/x
  3. Step 3: Cross multiply
    1,248,923.32x = 1,723,555.92 × 765,395.04
  4. Step 4: Simplify right side
    1,248,923.32x = 1,319,201,152,330.64
  5. Step 5: Solve for x
    x = 1,319,201,152,330.64/1,248,923.32
  6. Step 6: Final answer
    x = 1,056,270.73

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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.