Home / 1,135,815-1,703,223.54-425,344.80

Finding the Fourth Proportional to 1,135,815, 1,703,223.54 and 425,344.80

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Solution

The fourth proportional to 1,135,815, 1,703,223.54 and 425,344.80 is: 637,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,815 : 1,703,223.54 = 425,344.80 : x
  2. Step 2: Convert to fraction form
    1,135,815/1,703,223.54 = 425,344.80/x
  3. Step 3: Cross multiply
    1,135,815x = 1,703,223.54 × 425,344.80
  4. Step 4: Simplify right side
    1,135,815x = 724,457,275,976.59
  5. Step 5: Solve for x
    x = 724,457,275,976.59/1,135,815
  6. Step 6: Final answer
    x = 637,830.35

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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.