Home / 1,635,107.90-2,453,050.65-687,991.10

Finding the Fourth Proportional to 1,635,107.90, 2,453,050.65 and 687,991.10

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Solution

The fourth proportional to 1,635,107.90, 2,453,050.65 and 687,991.10 is: 1,032,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,107.90 : 2,453,050.65 = 687,991.10 : x
  2. Step 2: Convert to fraction form
    1,635,107.90/2,453,050.65 = 687,991.10/x
  3. Step 3: Cross multiply
    1,635,107.90x = 2,453,050.65 × 687,991.10
  4. Step 4: Simplify right side
    1,635,107.90x = 1,687,677,015,049.22
  5. Step 5: Solve for x
    x = 1,687,677,015,049.22/1,635,107.90
  6. Step 6: Final answer
    x = 1,032,150.24

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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.