Home / 1,122,263.76-1,682,287.52-447,938.80

Finding the Fourth Proportional to 1,122,263.76, 1,682,287.52 and 447,938.80

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Solution

The fourth proportional to 1,122,263.76, 1,682,287.52 and 447,938.80 is: 671,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,263.76 : 1,682,287.52 = 447,938.80 : x
  2. Step 2: Convert to fraction form
    1,122,263.76/1,682,287.52 = 447,938.80/x
  3. Step 3: Cross multiply
    1,122,263.76x = 1,682,287.52 × 447,938.80
  4. Step 4: Simplify right side
    1,122,263.76x = 753,561,852,963.78
  5. Step 5: Solve for x
    x = 753,561,852,963.78/1,122,263.76
  6. Step 6: Final answer
    x = 671,465.91

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1.5x scale

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.