Home / 1,097,138.49-1,645,781.67-423,225.42

Finding the Fourth Proportional to 1,097,138.49, 1,645,781.67 and 423,225.42

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Solution

The fourth proportional to 1,097,138.49, 1,645,781.67 and 423,225.42 is: 634,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,138.49 : 1,645,781.67 = 423,225.42 : x
  2. Step 2: Convert to fraction form
    1,097,138.49/1,645,781.67 = 423,225.42/x
  3. Step 3: Cross multiply
    1,097,138.49x = 1,645,781.67 × 423,225.42
  4. Step 4: Simplify right side
    1,097,138.49x = 696,536,638,514.05
  5. Step 5: Solve for x
    x = 696,536,638,514.05/1,097,138.49
  6. Step 6: Final answer
    x = 634,866.65

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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.