Home / 1,217,607.76-1,680,300.66-673,766.47

Finding the Fourth Proportional to 1,217,607.76, 1,680,300.66 and 673,766.47

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Solution

The fourth proportional to 1,217,607.76, 1,680,300.66 and 673,766.47 is: 929,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,607.76 : 1,680,300.66 = 673,766.47 : x
  2. Step 2: Convert to fraction form
    1,217,607.76/1,680,300.66 = 673,766.47/x
  3. Step 3: Cross multiply
    1,217,607.76x = 1,680,300.66 × 673,766.47
  4. Step 4: Simplify right side
    1,217,607.76x = 1,132,130,244,226.87
  5. Step 5: Solve for x
    x = 1,132,130,244,226.87/1,217,607.76
  6. Step 6: Final answer
    x = 929,798.81

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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.