Home / 1,115,897.40-1,673,910.90-317,237.40

Finding the Fourth Proportional to 1,115,897.40, 1,673,910.90 and 317,237.40

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Solution

The fourth proportional to 1,115,897.40, 1,673,910.90 and 317,237.40 is: 475,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,897.40 : 1,673,910.90 = 317,237.40 : x
  2. Step 2: Convert to fraction form
    1,115,897.40/1,673,910.90 = 317,237.40/x
  3. Step 3: Cross multiply
    1,115,897.40x = 1,673,910.90 × 317,237.40
  4. Step 4: Simplify right side
    1,115,897.40x = 531,027,141,747.66
  5. Step 5: Solve for x
    x = 531,027,141,747.66/1,115,897.40
  6. Step 6: Final answer
    x = 475,874.52

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Double scale
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1.5x scale

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.