Home / 1,580,697.82-2,369,854.40-515,103.58

Finding the Fourth Proportional to 1,580,697.82, 2,369,854.40 and 515,103.58

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Solution

The fourth proportional to 1,580,697.82, 2,369,854.40 and 515,103.58 is: 772,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,697.82 : 2,369,854.40 = 515,103.58 : x
  2. Step 2: Convert to fraction form
    1,580,697.82/2,369,854.40 = 515,103.58/x
  3. Step 3: Cross multiply
    1,580,697.82x = 2,369,854.40 × 515,103.58
  4. Step 4: Simplify right side
    1,580,697.82x = 1,220,720,485,518.75
  5. Step 5: Solve for x
    x = 1,220,720,485,518.75/1,580,697.82
  6. Step 6: Final answer
    x = 772,266.82

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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.