Home / 1,217,874.34-1,680,632.01-674,032.90

Finding the Fourth Proportional to 1,217,874.34, 1,680,632.01 and 674,032.90

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Solution

The fourth proportional to 1,217,874.34, 1,680,632.01 and 674,032.90 is: 930,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,874.34 : 1,680,632.01 = 674,032.90 : x
  2. Step 2: Convert to fraction form
    1,217,874.34/1,680,632.01 = 674,032.90/x
  3. Step 3: Cross multiply
    1,217,874.34x = 1,680,632.01 × 674,032.90
  4. Step 4: Simplify right side
    1,217,874.34x = 1,132,801,267,533.13
  5. Step 5: Solve for x
    x = 1,132,801,267,533.13/1,217,874.34
  6. Step 6: Final answer
    x = 930,146.26

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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.