Home / 1,220,564.52-1,830,822.48-379,113.84

Finding the Fourth Proportional to 1,220,564.52, 1,830,822.48 and 379,113.84

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Solution

The fourth proportional to 1,220,564.52, 1,830,822.48 and 379,113.84 is: 568,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,564.52 : 1,830,822.48 = 379,113.84 : x
  2. Step 2: Convert to fraction form
    1,220,564.52/1,830,822.48 = 379,113.84/x
  3. Step 3: Cross multiply
    1,220,564.52x = 1,830,822.48 × 379,113.84
  4. Step 4: Simplify right side
    1,220,564.52x = 694,090,140,751.12
  5. Step 5: Solve for x
    x = 694,090,140,751.12/1,220,564.52
  6. Step 6: Final answer
    x = 568,663.21

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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.