Home / 1,478,953.84-2,040,953.88-834,372.40

Finding the Fourth Proportional to 1,478,953.84, 2,040,953.88 and 834,372.40

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Solution

The fourth proportional to 1,478,953.84, 2,040,953.88 and 834,372.40 is: 1,151,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,953.84 : 2,040,953.88 = 834,372.40 : x
  2. Step 2: Convert to fraction form
    1,478,953.84/2,040,953.88 = 834,372.40/x
  3. Step 3: Cross multiply
    1,478,953.84x = 2,040,953.88 × 834,372.40
  4. Step 4: Simplify right side
    1,478,953.84x = 1,702,915,587,144.91
  5. Step 5: Solve for x
    x = 1,702,915,587,144.91/1,478,953.84
  6. Step 6: Final answer
    x = 1,151,432.55

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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.