Home / 1,518,557.60-2,280,460.80-809,969.60

Finding the Fourth Proportional to 1,518,557.60, 2,280,460.80 and 809,969.60

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Solution

The fourth proportional to 1,518,557.60, 2,280,460.80 and 809,969.60 is: 1,216,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,557.60 : 2,280,460.80 = 809,969.60 : x
  2. Step 2: Convert to fraction form
    1,518,557.60/2,280,460.80 = 809,969.60/x
  3. Step 3: Cross multiply
    1,518,557.60x = 2,280,460.80 × 809,969.60
  4. Step 4: Simplify right side
    1,518,557.60x = 1,847,103,921,991.68
  5. Step 5: Solve for x
    x = 1,847,103,921,991.68/1,518,557.60
  6. Step 6: Final answer
    x = 1,216,354.20

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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.