Home / 992,255.40-1,488,383.10-637,961.40

Finding the Fourth Proportional to 992,255.40, 1,488,383.10 and 637,961.40

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Solution

The fourth proportional to 992,255.40, 1,488,383.10 and 637,961.40 is: 956,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,255.40 : 1,488,383.10 = 637,961.40 : x
  2. Step 2: Convert to fraction form
    992,255.40/1,488,383.10 = 637,961.40/x
  3. Step 3: Cross multiply
    992,255.40x = 1,488,383.10 × 637,961.40
  4. Step 4: Simplify right side
    992,255.40x = 949,530,966,212.34
  5. Step 5: Solve for x
    x = 949,530,966,212.34/992,255.40
  6. Step 6: Final answer
    x = 956,942.10

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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.