Home / 1,255,490.80-1,883,236.20-457,673.20

Finding the Fourth Proportional to 1,255,490.80, 1,883,236.20 and 457,673.20

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Solution

The fourth proportional to 1,255,490.80, 1,883,236.20 and 457,673.20 is: 686,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,490.80 : 1,883,236.20 = 457,673.20 : x
  2. Step 2: Convert to fraction form
    1,255,490.80/1,883,236.20 = 457,673.20/x
  3. Step 3: Cross multiply
    1,255,490.80x = 1,883,236.20 × 457,673.20
  4. Step 4: Simplify right side
    1,255,490.80x = 861,906,738,009.84
  5. Step 5: Solve for x
    x = 861,906,738,009.84/1,255,490.80
  6. Step 6: Final answer
    x = 686,509.80

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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.