Home / 1,254,928.78-1,882,688.40-413,480.50

Finding the Fourth Proportional to 1,254,928.78, 1,882,688.40 and 413,480.50

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Solution

The fourth proportional to 1,254,928.78, 1,882,688.40 and 413,480.50 is: 620,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,928.78 : 1,882,688.40 = 413,480.50 : x
  2. Step 2: Convert to fraction form
    1,254,928.78/1,882,688.40 = 413,480.50/x
  3. Step 3: Cross multiply
    1,254,928.78x = 1,882,688.40 × 413,480.50
  4. Step 4: Simplify right side
    1,254,928.78x = 778,454,940,976.20
  5. Step 5: Solve for x
    x = 778,454,940,976.20/1,254,928.78
  6. Step 6: Final answer
    x = 620,318.02

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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.