Home / 1,620,380.16-2,430,357.12-498,355.20

Finding the Fourth Proportional to 1,620,380.16, 2,430,357.12 and 498,355.20

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Solution

The fourth proportional to 1,620,380.16, 2,430,357.12 and 498,355.20 is: 747,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,380.16 : 2,430,357.12 = 498,355.20 : x
  2. Step 2: Convert to fraction form
    1,620,380.16/2,430,357.12 = 498,355.20/x
  3. Step 3: Cross multiply
    1,620,380.16x = 2,430,357.12 × 498,355.20
  4. Step 4: Simplify right side
    1,620,380.16x = 1,211,181,108,609.02
  5. Step 5: Solve for x
    x = 1,211,181,108,609.02/1,620,380.16
  6. Step 6: Final answer
    x = 747,467.25

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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.