Home / 1,803,223.92-2,488,479.60-987,414.60

Finding the Fourth Proportional to 1,803,223.92, 2,488,479.60 and 987,414.60

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Solution

The fourth proportional to 1,803,223.92, 2,488,479.60 and 987,414.60 is: 1,362,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,223.92 : 2,488,479.60 = 987,414.60 : x
  2. Step 2: Convert to fraction form
    1,803,223.92/2,488,479.60 = 987,414.60/x
  3. Step 3: Cross multiply
    1,803,223.92x = 2,488,479.60 × 987,414.60
  4. Step 4: Simplify right side
    1,803,223.92x = 2,457,161,088,842.16
  5. Step 5: Solve for x
    x = 2,457,161,088,842.16/1,803,223.92
  6. Step 6: Final answer
    x = 1,362,648.90

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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.