Home / 1,042,002.10-1,438,245.75-612,420.22

Finding the Fourth Proportional to 1,042,002.10, 1,438,245.75 and 612,420.22

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Solution

The fourth proportional to 1,042,002.10, 1,438,245.75 and 612,420.22 is: 845,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,002.10 : 1,438,245.75 = 612,420.22 : x
  2. Step 2: Convert to fraction form
    1,042,002.10/1,438,245.75 = 612,420.22/x
  3. Step 3: Cross multiply
    1,042,002.10x = 1,438,245.75 × 612,420.22
  4. Step 4: Simplify right side
    1,042,002.10x = 880,810,778,629.07
  5. Step 5: Solve for x
    x = 880,810,778,629.07/1,042,002.10
  6. Step 6: Final answer
    x = 845,306.15

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Double scale
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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.