Home / 1,005,479.78-1,387,571.12-546,595.24

Finding the Fourth Proportional to 1,005,479.78, 1,387,571.12 and 546,595.24

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Solution

The fourth proportional to 1,005,479.78, 1,387,571.12 and 546,595.24 is: 754,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,479.78 : 1,387,571.12 = 546,595.24 : x
  2. Step 2: Convert to fraction form
    1,005,479.78/1,387,571.12 = 546,595.24/x
  3. Step 3: Cross multiply
    1,005,479.78x = 1,387,571.12 × 546,595.24
  4. Step 4: Simplify right side
    1,005,479.78x = 758,439,770,877.59
  5. Step 5: Solve for x
    x = 758,439,770,877.59/1,005,479.78
  6. Step 6: Final answer
    x = 754,306.34

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1.5x scale

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.