Home / 1,447,848.56-2,172,375.18-637,818.39

Finding the Fourth Proportional to 1,447,848.56, 2,172,375.18 and 637,818.39

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Solution

The fourth proportional to 1,447,848.56, 2,172,375.18 and 637,818.39 is: 956,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,848.56 : 2,172,375.18 = 637,818.39 : x
  2. Step 2: Convert to fraction form
    1,447,848.56/2,172,375.18 = 637,818.39/x
  3. Step 3: Cross multiply
    1,447,848.56x = 2,172,375.18 × 637,818.39
  4. Step 4: Simplify right side
    1,447,848.56x = 1,385,580,839,783.56
  5. Step 5: Solve for x
    x = 1,385,580,839,783.56/1,447,848.56
  6. Step 6: Final answer
    x = 956,992.93

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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.