Home / 1,217,742.83-1,680,443.76-673,901.54

Finding the Fourth Proportional to 1,217,742.83, 1,680,443.76 and 673,901.54

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Solution

The fourth proportional to 1,217,742.83, 1,680,443.76 and 673,901.54 is: 929,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,742.83 : 1,680,443.76 = 673,901.54 : x
  2. Step 2: Convert to fraction form
    1,217,742.83/1,680,443.76 = 673,901.54/x
  3. Step 3: Cross multiply
    1,217,742.83x = 1,680,443.76 × 673,901.54
  4. Step 4: Simplify right side
    1,217,742.83x = 1,132,453,644,475.63
  5. Step 5: Solve for x
    x = 1,132,453,644,475.63/1,217,742.83
  6. Step 6: Final answer
    x = 929,961.25

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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.