Home / 1,387,698.36-2,081,690.22-523,860.90

Finding the Fourth Proportional to 1,387,698.36, 2,081,690.22 and 523,860.90

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Solution

The fourth proportional to 1,387,698.36, 2,081,690.22 and 523,860.90 is: 785,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,698.36 : 2,081,690.22 = 523,860.90 : x
  2. Step 2: Convert to fraction form
    1,387,698.36/2,081,690.22 = 523,860.90/x
  3. Step 3: Cross multiply
    1,387,698.36x = 2,081,690.22 × 523,860.90
  4. Step 4: Simplify right side
    1,387,698.36x = 1,090,516,112,170.40
  5. Step 5: Solve for x
    x = 1,090,516,112,170.40/1,387,698.36
  6. Step 6: Final answer
    x = 785,845.21

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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.