Home / 1,778,054.40-2,667,427.20-515,923.20

Finding the Fourth Proportional to 1,778,054.40, 2,667,427.20 and 515,923.20

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Solution

The fourth proportional to 1,778,054.40, 2,667,427.20 and 515,923.20 is: 773,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,054.40 : 2,667,427.20 = 515,923.20 : x
  2. Step 2: Convert to fraction form
    1,778,054.40/2,667,427.20 = 515,923.20/x
  3. Step 3: Cross multiply
    1,778,054.40x = 2,667,427.20 × 515,923.20
  4. Step 4: Simplify right side
    1,778,054.40x = 1,376,187,576,791.04
  5. Step 5: Solve for x
    x = 1,376,187,576,791.04/1,778,054.40
  6. Step 6: Final answer
    x = 773,985.08

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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.