Home / 1,630,404-2,445,585.36-1,148,641.44

Finding the Fourth Proportional to 1,630,404, 2,445,585.36 and 1,148,641.44

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Solution

The fourth proportional to 1,630,404, 2,445,585.36 and 1,148,641.44 is: 1,722,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,404 : 2,445,585.36 = 1,148,641.44 : x
  2. Step 2: Convert to fraction form
    1,630,404/2,445,585.36 = 1,148,641.44/x
  3. Step 3: Cross multiply
    1,630,404x = 2,445,585.36 × 1,148,641.44
  4. Step 4: Simplify right side
    1,630,404x = 2,809,100,689,553.32
  5. Step 5: Solve for x
    x = 2,809,100,689,553.32/1,630,404
  6. Step 6: Final answer
    x = 1,722,947.62

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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.