Home / 1,199,494.20-1,799,241.30-313,030.20

Finding the Fourth Proportional to 1,199,494.20, 1,799,241.30 and 313,030.20

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Solution

The fourth proportional to 1,199,494.20, 1,799,241.30 and 313,030.20 is: 469,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,494.20 : 1,799,241.30 = 313,030.20 : x
  2. Step 2: Convert to fraction form
    1,199,494.20/1,799,241.30 = 313,030.20/x
  3. Step 3: Cross multiply
    1,199,494.20x = 1,799,241.30 × 313,030.20
  4. Step 4: Simplify right side
    1,199,494.20x = 563,216,863,987.26
  5. Step 5: Solve for x
    x = 563,216,863,987.26/1,199,494.20
  6. Step 6: Final answer
    x = 469,545.30

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Double scale
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Similar ratio
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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.