Home / 1,289,671.17-1,777,870.38-901,280.73

Finding the Fourth Proportional to 1,289,671.17, 1,777,870.38 and 901,280.73

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Solution

The fourth proportional to 1,289,671.17, 1,777,870.38 and 901,280.73 is: 1,242,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,671.17 : 1,777,870.38 = 901,280.73 : x
  2. Step 2: Convert to fraction form
    1,289,671.17/1,777,870.38 = 901,280.73/x
  3. Step 3: Cross multiply
    1,289,671.17x = 1,777,870.38 × 901,280.73
  4. Step 4: Simplify right side
    1,289,671.17x = 1,602,360,300,536.02
  5. Step 5: Solve for x
    x = 1,602,360,300,536.02/1,289,671.17
  6. Step 6: Final answer
    x = 1,242,456.48

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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.