Home / 1,866,860.68-2,800,724.20-587,434.90

Finding the Fourth Proportional to 1,866,860.68, 2,800,724.20 and 587,434.90

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Solution

The fourth proportional to 1,866,860.68, 2,800,724.20 and 587,434.90 is: 881,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,860.68 : 2,800,724.20 = 587,434.90 : x
  2. Step 2: Convert to fraction form
    1,866,860.68/2,800,724.20 = 587,434.90/x
  3. Step 3: Cross multiply
    1,866,860.68x = 2,800,724.20 × 587,434.90
  4. Step 4: Simplify right side
    1,866,860.68x = 1,645,243,140,354.58
  5. Step 5: Solve for x
    x = 1,645,243,140,354.58/1,866,860.68
  6. Step 6: Final answer
    x = 881,288.66

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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.