Home / 1,407,885.52-2,111,718-396,966.64

Finding the Fourth Proportional to 1,407,885.52, 2,111,718 and 396,966.64

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Solution

The fourth proportional to 1,407,885.52, 2,111,718 and 396,966.64 is: 595,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,885.52 : 2,111,718 = 396,966.64 : x
  2. Step 2: Convert to fraction form
    1,407,885.52/2,111,718 = 396,966.64/x
  3. Step 3: Cross multiply
    1,407,885.52x = 2,111,718 × 396,966.64
  4. Step 4: Simplify right side
    1,407,885.52x = 838,281,599,087.52
  5. Step 5: Solve for x
    x = 838,281,599,087.52/1,407,885.52
  6. Step 6: Final answer
    x = 595,418.87

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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.