Home / 1,340,243.40-2,010,740.40-542,085.60

Finding the Fourth Proportional to 1,340,243.40, 2,010,740.40 and 542,085.60

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Solution

The fourth proportional to 1,340,243.40, 2,010,740.40 and 542,085.60 is: 813,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,243.40 : 2,010,740.40 = 542,085.60 : x
  2. Step 2: Convert to fraction form
    1,340,243.40/2,010,740.40 = 542,085.60/x
  3. Step 3: Cross multiply
    1,340,243.40x = 2,010,740.40 × 542,085.60
  4. Step 4: Simplify right side
    1,340,243.40x = 1,089,993,416,178.24
  5. Step 5: Solve for x
    x = 1,089,993,416,178.24/1,340,243.40
  6. Step 6: Final answer
    x = 813,280.20

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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.