Home / 1,391,414.40-2,087,812.80-549,993.60

Finding the Fourth Proportional to 1,391,414.40, 2,087,812.80 and 549,993.60

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Solution

The fourth proportional to 1,391,414.40, 2,087,812.80 and 549,993.60 is: 825,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,414.40 : 2,087,812.80 = 549,993.60 : x
  2. Step 2: Convert to fraction form
    1,391,414.40/2,087,812.80 = 549,993.60/x
  3. Step 3: Cross multiply
    1,391,414.40x = 2,087,812.80 × 549,993.60
  4. Step 4: Simplify right side
    1,391,414.40x = 1,148,283,677,998.08
  5. Step 5: Solve for x
    x = 1,148,283,677,998.08/1,391,414.40
  6. Step 6: Final answer
    x = 825,263.62

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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.