Home / 1,617,059.60-2,420,923.80-987,203.60

Finding the Fourth Proportional to 1,617,059.60, 2,420,923.80 and 987,203.60

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Solution

The fourth proportional to 1,617,059.60, 2,420,923.80 and 987,203.60 is: 1,477,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,059.60 : 2,420,923.80 = 987,203.60 : x
  2. Step 2: Convert to fraction form
    1,617,059.60/2,420,923.80 = 987,203.60/x
  3. Step 3: Cross multiply
    1,617,059.60x = 2,420,923.80 × 987,203.60
  4. Step 4: Simplify right side
    1,617,059.60x = 2,389,944,690,685.68
  5. Step 5: Solve for x
    x = 2,389,944,690,685.68/1,617,059.60
  6. Step 6: Final answer
    x = 1,477,957.08

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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.