Home / 1,447,811.40-2,171,976.30-606,448.20

Finding the Fourth Proportional to 1,447,811.40, 2,171,976.30 and 606,448.20

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Solution

The fourth proportional to 1,447,811.40, 2,171,976.30 and 606,448.20 is: 909,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,811.40 : 2,171,976.30 = 606,448.20 : x
  2. Step 2: Convert to fraction form
    1,447,811.40/2,171,976.30 = 606,448.20/x
  3. Step 3: Cross multiply
    1,447,811.40x = 2,171,976.30 × 606,448.20
  4. Step 4: Simplify right side
    1,447,811.40x = 1,317,191,117,577.66
  5. Step 5: Solve for x
    x = 1,317,191,117,577.66/1,447,811.40
  6. Step 6: Final answer
    x = 909,780.87

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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.