Home / 1,553,921.10-2,331,136.80-488,706.30

Finding the Fourth Proportional to 1,553,921.10, 2,331,136.80 and 488,706.30

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Solution

The fourth proportional to 1,553,921.10, 2,331,136.80 and 488,706.30 is: 733,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,921.10 : 2,331,136.80 = 488,706.30 : x
  2. Step 2: Convert to fraction form
    1,553,921.10/2,331,136.80 = 488,706.30/x
  3. Step 3: Cross multiply
    1,553,921.10x = 2,331,136.80 × 488,706.30
  4. Step 4: Simplify right side
    1,553,921.10x = 1,139,241,240,321.84
  5. Step 5: Solve for x
    x = 1,139,241,240,321.84/1,553,921.10
  6. Step 6: Final answer
    x = 733,139.69

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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.