Home / 1,026,676.74-1,538,929.12-386,703.57

Finding the Fourth Proportional to 1,026,676.74, 1,538,929.12 and 386,703.57

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Solution

The fourth proportional to 1,026,676.74, 1,538,929.12 and 386,703.57 is: 579,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,676.74 : 1,538,929.12 = 386,703.57 : x
  2. Step 2: Convert to fraction form
    1,026,676.74/1,538,929.12 = 386,703.57/x
  3. Step 3: Cross multiply
    1,026,676.74x = 1,538,929.12 × 386,703.57
  4. Step 4: Simplify right side
    1,026,676.74x = 595,109,384,680.96
  5. Step 5: Solve for x
    x = 595,109,384,680.96/1,026,676.74
  6. Step 6: Final answer
    x = 579,646.31

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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.