Home / 1,480,508.71-2,221,025.45-670,860.43

Finding the Fourth Proportional to 1,480,508.71, 2,221,025.45 and 670,860.43

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Solution

The fourth proportional to 1,480,508.71, 2,221,025.45 and 670,860.43 is: 1,006,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,508.71 : 2,221,025.45 = 670,860.43 : x
  2. Step 2: Convert to fraction form
    1,480,508.71/2,221,025.45 = 670,860.43/x
  3. Step 3: Cross multiply
    1,480,508.71x = 2,221,025.45 × 670,860.43
  4. Step 4: Simplify right side
    1,480,508.71x = 1,489,998,073,968.51
  5. Step 5: Solve for x
    x = 1,489,998,073,968.51/1,480,508.71
  6. Step 6: Final answer
    x = 1,006,409.53

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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.