Home / 1,047,638.97-1,570,143.69-447,895.22

Finding the Fourth Proportional to 1,047,638.97, 1,570,143.69 and 447,895.22

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Solution

The fourth proportional to 1,047,638.97, 1,570,143.69 and 447,895.22 is: 671,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,638.97 : 1,570,143.69 = 447,895.22 : x
  2. Step 2: Convert to fraction form
    1,047,638.97/1,570,143.69 = 447,895.22/x
  3. Step 3: Cross multiply
    1,047,638.97x = 1,570,143.69 × 447,895.22
  4. Step 4: Simplify right side
    1,047,638.97x = 703,259,845,613.44
  5. Step 5: Solve for x
    x = 703,259,845,613.44/1,047,638.97
  6. Step 6: Final answer
    x = 671,280.72

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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.