Home / 916,752.78-1,377,370.98-865,767.60

Finding the Fourth Proportional to 916,752.78, 1,377,370.98 and 865,767.60

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Solution

The fourth proportional to 916,752.78, 1,377,370.98 and 865,767.60 is: 1,300,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,752.78 : 1,377,370.98 = 865,767.60 : x
  2. Step 2: Convert to fraction form
    916,752.78/1,377,370.98 = 865,767.60/x
  3. Step 3: Cross multiply
    916,752.78x = 1,377,370.98 × 865,767.60
  4. Step 4: Simplify right side
    916,752.78x = 1,192,483,167,664.25
  5. Step 5: Solve for x
    x = 1,192,483,167,664.25/916,752.78
  6. Step 6: Final answer
    x = 1,300,768.53

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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.