Home / 1,182,869.58-1,630,660.38-842,747.34

Finding the Fourth Proportional to 1,182,869.58, 1,630,660.38 and 842,747.34

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Solution

The fourth proportional to 1,182,869.58, 1,630,660.38 and 842,747.34 is: 1,161,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,869.58 : 1,630,660.38 = 842,747.34 : x
  2. Step 2: Convert to fraction form
    1,182,869.58/1,630,660.38 = 842,747.34/x
  3. Step 3: Cross multiply
    1,182,869.58x = 1,630,660.38 × 842,747.34
  4. Step 4: Simplify right side
    1,182,869.58x = 1,374,234,697,688.39
  5. Step 5: Solve for x
    x = 1,374,234,697,688.39/1,182,869.58
  6. Step 6: Final answer
    x = 1,161,780.40

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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.