Home / 1,427,372.83-2,140,204.18-454,316.82

Finding the Fourth Proportional to 1,427,372.83, 2,140,204.18 and 454,316.82

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Solution

The fourth proportional to 1,427,372.83, 2,140,204.18 and 454,316.82 is: 681,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,372.83 : 2,140,204.18 = 454,316.82 : x
  2. Step 2: Convert to fraction form
    1,427,372.83/2,140,204.18 = 454,316.82/x
  3. Step 3: Cross multiply
    1,427,372.83x = 2,140,204.18 × 454,316.82
  4. Step 4: Simplify right side
    1,427,372.83x = 972,330,757,208.31
  5. Step 5: Solve for x
    x = 972,330,757,208.31/1,427,372.83
  6. Step 6: Final answer
    x = 681,203.07

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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.