Home / 1,340,229.90-2,010,720.15-542,072.10

Finding the Fourth Proportional to 1,340,229.90, 2,010,720.15 and 542,072.10

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Solution

The fourth proportional to 1,340,229.90, 2,010,720.15 and 542,072.10 is: 813,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,229.90 : 2,010,720.15 = 542,072.10 : x
  2. Step 2: Convert to fraction form
    1,340,229.90/2,010,720.15 = 542,072.10/x
  3. Step 3: Cross multiply
    1,340,229.90x = 2,010,720.15 × 542,072.10
  4. Step 4: Simplify right side
    1,340,229.90x = 1,089,955,294,222.82
  5. Step 5: Solve for x
    x = 1,089,955,294,222.82/1,340,229.90
  6. Step 6: Final answer
    x = 813,259.94

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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.