Home / 1,199,543.20-1,799,314.80-313,079.20

Finding the Fourth Proportional to 1,199,543.20, 1,799,314.80 and 313,079.20

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Solution

The fourth proportional to 1,199,543.20, 1,799,314.80 and 313,079.20 is: 469,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,543.20 : 1,799,314.80 = 313,079.20 : x
  2. Step 2: Convert to fraction form
    1,199,543.20/1,799,314.80 = 313,079.20/x
  3. Step 3: Cross multiply
    1,199,543.20x = 1,799,314.80 × 313,079.20
  4. Step 4: Simplify right side
    1,199,543.20x = 563,328,038,132.16
  5. Step 5: Solve for x
    x = 563,328,038,132.16/1,199,543.20
  6. Step 6: Final answer
    x = 469,618.80

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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.