Home / 672,026.81-1,007,880.98-192,239.82

Finding the Fourth Proportional to 672,026.81, 1,007,880.98 and 192,239.82

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Solution

The fourth proportional to 672,026.81, 1,007,880.98 and 192,239.82 is: 288,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026.81 : 1,007,880.98 = 192,239.82 : x
  2. Step 2: Convert to fraction form
    672,026.81/1,007,880.98 = 192,239.82/x
  3. Step 3: Cross multiply
    672,026.81x = 1,007,880.98 × 192,239.82
  4. Step 4: Simplify right side
    672,026.81x = 193,754,857,215.43
  5. Step 5: Solve for x
    x = 193,754,857,215.43/672,026.81
  6. Step 6: Final answer
    x = 288,314.18

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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.