Home / 1,625,845.30-2,243,804.35-900,920.42

Finding the Fourth Proportional to 1,625,845.30, 2,243,804.35 and 900,920.42

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Solution

The fourth proportional to 1,625,845.30, 2,243,804.35 and 900,920.42 is: 1,243,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,845.30 : 2,243,804.35 = 900,920.42 : x
  2. Step 2: Convert to fraction form
    1,625,845.30/2,243,804.35 = 900,920.42/x
  3. Step 3: Cross multiply
    1,625,845.30x = 2,243,804.35 × 900,920.42
  4. Step 4: Simplify right side
    1,625,845.30x = 2,021,489,157,399.83
  5. Step 5: Solve for x
    x = 2,021,489,157,399.83/1,625,845.30
  6. Step 6: Final answer
    x = 1,243,346.56

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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.