Home / 1,020,724.39-1,530,200.85-514,863.09

Finding the Fourth Proportional to 1,020,724.39, 1,530,200.85 and 514,863.09

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Solution

The fourth proportional to 1,020,724.39, 1,530,200.85 and 514,863.09 is: 771,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,724.39 : 1,530,200.85 = 514,863.09 : x
  2. Step 2: Convert to fraction form
    1,020,724.39/1,530,200.85 = 514,863.09/x
  3. Step 3: Cross multiply
    1,020,724.39x = 1,530,200.85 × 514,863.09
  4. Step 4: Simplify right side
    1,020,724.39x = 787,843,937,951.63
  5. Step 5: Solve for x
    x = 787,843,937,951.63/1,020,724.39
  6. Step 6: Final answer
    x = 771,847.86

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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.