Home / 1,289,901.48-1,934,846.13-330,355.26

Finding the Fourth Proportional to 1,289,901.48, 1,934,846.13 and 330,355.26

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Solution

The fourth proportional to 1,289,901.48, 1,934,846.13 and 330,355.26 is: 495,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,901.48 : 1,934,846.13 = 330,355.26 : x
  2. Step 2: Convert to fraction form
    1,289,901.48/1,934,846.13 = 330,355.26/x
  3. Step 3: Cross multiply
    1,289,901.48x = 1,934,846.13 × 330,355.26
  4. Step 4: Simplify right side
    1,289,901.48x = 639,186,596,336.14
  5. Step 5: Solve for x
    x = 639,186,596,336.14/1,289,901.48
  6. Step 6: Final answer
    x = 495,531.33

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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.