Home / 867,270.87-1,300,898.85-677,890.38

Finding the Fourth Proportional to 867,270.87, 1,300,898.85 and 677,890.38

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Solution

The fourth proportional to 867,270.87, 1,300,898.85 and 677,890.38 is: 1,016,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,270.87 : 1,300,898.85 = 677,890.38 : x
  2. Step 2: Convert to fraction form
    867,270.87/1,300,898.85 = 677,890.38/x
  3. Step 3: Cross multiply
    867,270.87x = 1,300,898.85 × 677,890.38
  4. Step 4: Simplify right side
    867,270.87x = 881,866,815,768.06
  5. Step 5: Solve for x
    x = 881,866,815,768.06/867,270.87
  6. Step 6: Final answer
    x = 1,016,829.74

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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.