Home / 1,605,308.64-2,215,241.24-916,845.14

Finding the Fourth Proportional to 1,605,308.64, 2,215,241.24 and 916,845.14

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Solution

The fourth proportional to 1,605,308.64, 2,215,241.24 and 916,845.14 is: 1,265,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,308.64 : 2,215,241.24 = 916,845.14 : x
  2. Step 2: Convert to fraction form
    1,605,308.64/2,215,241.24 = 916,845.14/x
  3. Step 3: Cross multiply
    1,605,308.64x = 2,215,241.24 × 916,845.14
  4. Step 4: Simplify right side
    1,605,308.64x = 2,031,033,164,821.57
  5. Step 5: Solve for x
    x = 2,031,033,164,821.57/1,605,308.64
  6. Step 6: Final answer
    x = 1,265,197.93

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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.