Home / 1,086,458.40-1,629,979.20-968,943.60

Finding the Fourth Proportional to 1,086,458.40, 1,629,979.20 and 968,943.60

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Solution

The fourth proportional to 1,086,458.40, 1,629,979.20 and 968,943.60 is: 1,453,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,458.40 : 1,629,979.20 = 968,943.60 : x
  2. Step 2: Convert to fraction form
    1,086,458.40/1,629,979.20 = 968,943.60/x
  3. Step 3: Cross multiply
    1,086,458.40x = 1,629,979.20 × 968,943.60
  4. Step 4: Simplify right side
    1,086,458.40x = 1,579,357,913,973.12
  5. Step 5: Solve for x
    x = 1,579,357,913,973.12/1,086,458.40
  6. Step 6: Final answer
    x = 1,453,675.46

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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.