Home / 1,110,406.40-1,665,360.16-510,791.68

Finding the Fourth Proportional to 1,110,406.40, 1,665,360.16 and 510,791.68

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Solution

The fourth proportional to 1,110,406.40, 1,665,360.16 and 510,791.68 is: 766,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,406.40 : 1,665,360.16 = 510,791.68 : x
  2. Step 2: Convert to fraction form
    1,110,406.40/1,665,360.16 = 510,791.68/x
  3. Step 3: Cross multiply
    1,110,406.40x = 1,665,360.16 × 510,791.68
  4. Step 4: Simplify right side
    1,110,406.40x = 850,652,113,931.47
  5. Step 5: Solve for x
    x = 850,652,113,931.47/1,110,406.40
  6. Step 6: Final answer
    x = 766,072.78

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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.