Home / 1,115,340.07-1,673,011.06-305,733.30

Finding the Fourth Proportional to 1,115,340.07, 1,673,011.06 and 305,733.30

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Solution

The fourth proportional to 1,115,340.07, 1,673,011.06 and 305,733.30 is: 458,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,340.07 : 1,673,011.06 = 305,733.30 : x
  2. Step 2: Convert to fraction form
    1,115,340.07/1,673,011.06 = 305,733.30/x
  3. Step 3: Cross multiply
    1,115,340.07x = 1,673,011.06 × 305,733.30
  4. Step 4: Simplify right side
    1,115,340.07x = 511,495,188,592.22
  5. Step 5: Solve for x
    x = 511,495,188,592.22/1,115,340.07
  6. Step 6: Final answer
    x = 458,600.21

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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.