Home / 1,579,631.54-2,179,878-891,308.66

Finding the Fourth Proportional to 1,579,631.54, 2,179,878 and 891,308.66

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Solution

The fourth proportional to 1,579,631.54, 2,179,878 and 891,308.66 is: 1,229,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,631.54 : 2,179,878 = 891,308.66 : x
  2. Step 2: Convert to fraction form
    1,579,631.54/2,179,878 = 891,308.66/x
  3. Step 3: Cross multiply
    1,579,631.54x = 2,179,878 × 891,308.66
  4. Step 4: Simplify right side
    1,579,631.54x = 1,942,944,139,143.48
  5. Step 5: Solve for x
    x = 1,942,944,139,143.48/1,579,631.54
  6. Step 6: Final answer
    x = 1,229,998.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.