Home / 1,645,956.54-2,468,685.29-447,972.21

Finding the Fourth Proportional to 1,645,956.54, 2,468,685.29 and 447,972.21

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Solution

The fourth proportional to 1,645,956.54, 2,468,685.29 and 447,972.21 is: 671,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,956.54 : 2,468,685.29 = 447,972.21 : x
  2. Step 2: Convert to fraction form
    1,645,956.54/2,468,685.29 = 447,972.21/x
  3. Step 3: Cross multiply
    1,645,956.54x = 2,468,685.29 × 447,972.21
  4. Step 4: Simplify right side
    1,645,956.54x = 1,105,902,402,915.93
  5. Step 5: Solve for x
    x = 1,105,902,402,915.93/1,645,956.54
  6. Step 6: Final answer
    x = 671,890.40

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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.