Home / 1,340,266.20-2,009,708.10-498,384.60

Finding the Fourth Proportional to 1,340,266.20, 2,009,708.10 and 498,384.60

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Solution

The fourth proportional to 1,340,266.20, 2,009,708.10 and 498,384.60 is: 747,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,266.20 : 2,009,708.10 = 498,384.60 : x
  2. Step 2: Convert to fraction form
    1,340,266.20/2,009,708.10 = 498,384.60/x
  3. Step 3: Cross multiply
    1,340,266.20x = 2,009,708.10 × 498,384.60
  4. Step 4: Simplify right side
    1,340,266.20x = 1,001,607,567,535.26
  5. Step 5: Solve for x
    x = 1,001,607,567,535.26/1,340,266.20
  6. Step 6: Final answer
    x = 747,319.87

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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.