Home / 1,289,886.31-1,934,870.17-330,347.96

Finding the Fourth Proportional to 1,289,886.31, 1,934,870.17 and 330,347.96

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Solution

The fourth proportional to 1,289,886.31, 1,934,870.17 and 330,347.96 is: 495,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,886.31 : 1,934,870.17 = 330,347.96 : x
  2. Step 2: Convert to fraction form
    1,289,886.31/1,934,870.17 = 330,347.96/x
  3. Step 3: Cross multiply
    1,289,886.31x = 1,934,870.17 × 330,347.96
  4. Step 4: Simplify right side
    1,289,886.31x = 639,180,413,524.35
  5. Step 5: Solve for x
    x = 639,180,413,524.35/1,289,886.31
  6. Step 6: Final answer
    x = 495,532.36

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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.