Home / 1,493,709.12-2,240,565.03-640,226.90

Finding the Fourth Proportional to 1,493,709.12, 2,240,565.03 and 640,226.90

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Solution

The fourth proportional to 1,493,709.12, 2,240,565.03 and 640,226.90 is: 960,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,709.12 : 2,240,565.03 = 640,226.90 : x
  2. Step 2: Convert to fraction form
    1,493,709.12/2,240,565.03 = 640,226.90/x
  3. Step 3: Cross multiply
    1,493,709.12x = 2,240,565.03 × 640,226.90
  4. Step 4: Simplify right side
    1,493,709.12x = 1,434,470,009,006.72
  5. Step 5: Solve for x
    x = 1,434,470,009,006.72/1,493,709.12
  6. Step 6: Final answer
    x = 960,340.93

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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.