Home / 1,091,106.79-1,505,774.03-607,671.86

Finding the Fourth Proportional to 1,091,106.79, 1,505,774.03 and 607,671.86

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Solution

The fourth proportional to 1,091,106.79, 1,505,774.03 and 607,671.86 is: 838,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,106.79 : 1,505,774.03 = 607,671.86 : x
  2. Step 2: Convert to fraction form
    1,091,106.79/1,505,774.03 = 607,671.86/x
  3. Step 3: Cross multiply
    1,091,106.79x = 1,505,774.03 × 607,671.86
  4. Step 4: Simplify right side
    1,091,106.79x = 915,016,494,982.57
  5. Step 5: Solve for x
    x = 915,016,494,982.57/1,091,106.79
  6. Step 6: Final answer
    x = 838,613.15

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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.