Home / 1,673,228.52-2,309,053.38-909,280.36

Finding the Fourth Proportional to 1,673,228.52, 2,309,053.38 and 909,280.36

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Solution

The fourth proportional to 1,673,228.52, 2,309,053.38 and 909,280.36 is: 1,254,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,228.52 : 2,309,053.38 = 909,280.36 : x
  2. Step 2: Convert to fraction form
    1,673,228.52/2,309,053.38 = 909,280.36/x
  3. Step 3: Cross multiply
    1,673,228.52x = 2,309,053.38 × 909,280.36
  4. Step 4: Simplify right side
    1,673,228.52x = 2,099,576,888,625.62
  5. Step 5: Solve for x
    x = 2,099,576,888,625.62/1,673,228.52
  6. Step 6: Final answer
    x = 1,254,805.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.