Home / 1,119,957.10-1,677,930.90-680,977.60

Finding the Fourth Proportional to 1,119,957.10, 1,677,930.90 and 680,977.60

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Solution

The fourth proportional to 1,119,957.10, 1,677,930.90 and 680,977.60 is: 1,020,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,957.10 : 1,677,930.90 = 680,977.60 : x
  2. Step 2: Convert to fraction form
    1,119,957.10/1,677,930.90 = 680,977.60/x
  3. Step 3: Cross multiply
    1,119,957.10x = 1,677,930.90 × 680,977.60
  4. Step 4: Simplify right side
    1,119,957.10x = 1,142,633,357,247.84
  5. Step 5: Solve for x
    x = 1,142,633,357,247.84/1,119,957.10
  6. Step 6: Final answer
    x = 1,020,247.43

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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.