Home / 1,004,088.22-1,385,299.55-641,721.12

Finding the Fourth Proportional to 1,004,088.22, 1,385,299.55 and 641,721.12

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Solution

The fourth proportional to 1,004,088.22, 1,385,299.55 and 641,721.12 is: 885,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,088.22 : 1,385,299.55 = 641,721.12 : x
  2. Step 2: Convert to fraction form
    1,004,088.22/1,385,299.55 = 641,721.12/x
  3. Step 3: Cross multiply
    1,004,088.22x = 1,385,299.55 × 641,721.12
  4. Step 4: Simplify right side
    1,004,088.22x = 888,975,978,761.50
  5. Step 5: Solve for x
    x = 888,975,978,761.50/1,004,088.22
  6. Step 6: Final answer
    x = 885,356.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.