Home / 1,465,995.60-2,198,410.20-518,878.80

Finding the Fourth Proportional to 1,465,995.60, 2,198,410.20 and 518,878.80

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Solution

The fourth proportional to 1,465,995.60, 2,198,410.20 and 518,878.80 is: 778,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,995.60 : 2,198,410.20 = 518,878.80 : x
  2. Step 2: Convert to fraction form
    1,465,995.60/2,198,410.20 = 518,878.80/x
  3. Step 3: Cross multiply
    1,465,995.60x = 2,198,410.20 × 518,878.80
  4. Step 4: Simplify right side
    1,465,995.60x = 1,140,708,446,483.76
  5. Step 5: Solve for x
    x = 1,140,708,446,483.76/1,465,995.60
  6. Step 6: Final answer
    x = 778,111.78

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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.