Home / 1,123,319.70-1,684,979.55-698,166.90

Finding the Fourth Proportional to 1,123,319.70, 1,684,979.55 and 698,166.90

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Solution

The fourth proportional to 1,123,319.70, 1,684,979.55 and 698,166.90 is: 1,047,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,319.70 : 1,684,979.55 = 698,166.90 : x
  2. Step 2: Convert to fraction form
    1,123,319.70/1,684,979.55 = 698,166.90/x
  3. Step 3: Cross multiply
    1,123,319.70x = 1,684,979.55 × 698,166.90
  4. Step 4: Simplify right side
    1,123,319.70x = 1,176,396,948,986.90
  5. Step 5: Solve for x
    x = 1,176,396,948,986.90/1,123,319.70
  6. Step 6: Final answer
    x = 1,047,250.35

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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.