Home / 1,407,308.28-2,111,093.84-396,428.55

Finding the Fourth Proportional to 1,407,308.28, 2,111,093.84 and 396,428.55

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Solution

The fourth proportional to 1,407,308.28, 2,111,093.84 and 396,428.55 is: 594,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,308.28 : 2,111,093.84 = 396,428.55 : x
  2. Step 2: Convert to fraction form
    1,407,308.28/2,111,093.84 = 396,428.55/x
  3. Step 3: Cross multiply
    1,407,308.28x = 2,111,093.84 × 396,428.55
  4. Step 4: Simplify right side
    1,407,308.28x = 836,897,869,905.13
  5. Step 5: Solve for x
    x = 836,897,869,905.13/1,407,308.28
  6. Step 6: Final answer
    x = 594,679.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.