Home / 1,230,847.40-1,697,230.36-800,329.16

Finding the Fourth Proportional to 1,230,847.40, 1,697,230.36 and 800,329.16

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Solution

The fourth proportional to 1,230,847.40, 1,697,230.36 and 800,329.16 is: 1,103,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,847.40 : 1,697,230.36 = 800,329.16 : x
  2. Step 2: Convert to fraction form
    1,230,847.40/1,697,230.36 = 800,329.16/x
  3. Step 3: Cross multiply
    1,230,847.40x = 1,697,230.36 × 800,329.16
  4. Step 4: Simplify right side
    1,230,847.40x = 1,358,342,948,345.30
  5. Step 5: Solve for x
    x = 1,358,342,948,345.30/1,230,847.40
  6. Step 6: Final answer
    x = 1,103,583.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.