Home / 1,230,266.20-1,845,399.30-343,802.20

Finding the Fourth Proportional to 1,230,266.20, 1,845,399.30 and 343,802.20

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Solution

The fourth proportional to 1,230,266.20, 1,845,399.30 and 343,802.20 is: 515,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,266.20 : 1,845,399.30 = 343,802.20 : x
  2. Step 2: Convert to fraction form
    1,230,266.20/1,845,399.30 = 343,802.20/x
  3. Step 3: Cross multiply
    1,230,266.20x = 1,845,399.30 × 343,802.20
  4. Step 4: Simplify right side
    1,230,266.20x = 634,452,339,218.46
  5. Step 5: Solve for x
    x = 634,452,339,218.46/1,230,266.20
  6. Step 6: Final answer
    x = 515,703.30

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Double scale
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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.