Home / 1,580,737.82-2,369,914.25-515,143.58

Finding the Fourth Proportional to 1,580,737.82, 2,369,914.25 and 515,143.58

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Solution

The fourth proportional to 1,580,737.82, 2,369,914.25 and 515,143.58 is: 772,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,737.82 : 2,369,914.25 = 515,143.58 : x
  2. Step 2: Convert to fraction form
    1,580,737.82/2,369,914.25 = 515,143.58/x
  3. Step 3: Cross multiply
    1,580,737.82x = 2,369,914.25 × 515,143.58
  4. Step 4: Simplify right side
    1,580,737.82x = 1,220,846,111,038.02
  5. Step 5: Solve for x
    x = 1,220,846,111,038.02/1,580,737.82
  6. Step 6: Final answer
    x = 772,326.76

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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.