Home / 1,663,963.98-2,296,268.58-900,015.72

Finding the Fourth Proportional to 1,663,963.98, 2,296,268.58 and 900,015.72

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Solution

The fourth proportional to 1,663,963.98, 2,296,268.58 and 900,015.72 is: 1,242,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,963.98 : 2,296,268.58 = 900,015.72 : x
  2. Step 2: Convert to fraction form
    1,663,963.98/2,296,268.58 = 900,015.72/x
  3. Step 3: Cross multiply
    1,663,963.98x = 2,296,268.58 × 900,015.72
  4. Step 4: Simplify right side
    1,663,963.98x = 2,066,677,819,342.08
  5. Step 5: Solve for x
    x = 2,066,677,819,342.08/1,663,963.98
  6. Step 6: Final answer
    x = 1,242,020.77

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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.