Home / 1,090,788.96-1,633,972.10-505,726.78

Finding the Fourth Proportional to 1,090,788.96, 1,633,972.10 and 505,726.78

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Solution

The fourth proportional to 1,090,788.96, 1,633,972.10 and 505,726.78 is: 757,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,788.96 : 1,633,972.10 = 505,726.78 : x
  2. Step 2: Convert to fraction form
    1,090,788.96/1,633,972.10 = 505,726.78/x
  3. Step 3: Cross multiply
    1,090,788.96x = 1,633,972.10 × 505,726.78
  4. Step 4: Simplify right side
    1,090,788.96x = 826,343,442,895.20
  5. Step 5: Solve for x
    x = 826,343,442,895.20/1,090,788.96
  6. Step 6: Final answer
    x = 757,564.92

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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.