Home / 1,520,433.60-2,280,650.32-699,689.35

Finding the Fourth Proportional to 1,520,433.60, 2,280,650.32 and 699,689.35

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Solution

The fourth proportional to 1,520,433.60, 2,280,650.32 and 699,689.35 is: 1,049,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,433.60 : 2,280,650.32 = 699,689.35 : x
  2. Step 2: Convert to fraction form
    1,520,433.60/2,280,650.32 = 699,689.35/x
  3. Step 3: Cross multiply
    1,520,433.60x = 2,280,650.32 × 699,689.35
  4. Step 4: Simplify right side
    1,520,433.60x = 1,595,746,739,978.09
  5. Step 5: Solve for x
    x = 1,595,746,739,978.09/1,520,433.60
  6. Step 6: Final answer
    x = 1,049,533.99

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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.