Home / 1,155,307.78-1,733,372.07-515,553.31

Finding the Fourth Proportional to 1,155,307.78, 1,733,372.07 and 515,553.31

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Solution

The fourth proportional to 1,155,307.78, 1,733,372.07 and 515,553.31 is: 773,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,307.78 : 1,733,372.07 = 515,553.31 : x
  2. Step 2: Convert to fraction form
    1,155,307.78/1,733,372.07 = 515,553.31/x
  3. Step 3: Cross multiply
    1,155,307.78x = 1,733,372.07 × 515,553.31
  4. Step 4: Simplify right side
    1,155,307.78x = 893,645,708,150.05
  5. Step 5: Solve for x
    x = 893,645,708,150.05/1,155,307.78
  6. Step 6: Final answer
    x = 773,513.11

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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.