Home / 1,128,985.73-1,559,293.37-743,524.25

Finding the Fourth Proportional to 1,128,985.73, 1,559,293.37 and 743,524.25

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Solution

The fourth proportional to 1,128,985.73, 1,559,293.37 and 743,524.25 is: 1,026,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,985.73 : 1,559,293.37 = 743,524.25 : x
  2. Step 2: Convert to fraction form
    1,128,985.73/1,559,293.37 = 743,524.25/x
  3. Step 3: Cross multiply
    1,128,985.73x = 1,559,293.37 × 743,524.25
  4. Step 4: Simplify right side
    1,128,985.73x = 1,159,372,424,733.35
  5. Step 5: Solve for x
    x = 1,159,372,424,733.35/1,128,985.73
  6. Step 6: Final answer
    x = 1,026,915.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.