Home / 1,391,026.82-2,086,681.70-480,090.75

Finding the Fourth Proportional to 1,391,026.82, 2,086,681.70 and 480,090.75

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Solution

The fourth proportional to 1,391,026.82, 2,086,681.70 and 480,090.75 is: 720,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,026.82 : 2,086,681.70 = 480,090.75 : x
  2. Step 2: Convert to fraction form
    1,391,026.82/2,086,681.70 = 480,090.75/x
  3. Step 3: Cross multiply
    1,391,026.82x = 2,086,681.70 × 480,090.75
  4. Step 4: Simplify right side
    1,391,026.82x = 1,001,796,575,739.45
  5. Step 5: Solve for x
    x = 1,001,796,575,739.45/1,391,026.82
  6. Step 6: Final answer
    x = 720,184.95

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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.