Home / 1,380,695.94-2,070,081.02-611,775.45

Finding the Fourth Proportional to 1,380,695.94, 2,070,081.02 and 611,775.45

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Solution

The fourth proportional to 1,380,695.94, 2,070,081.02 and 611,775.45 is: 917,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,695.94 : 2,070,081.02 = 611,775.45 : x
  2. Step 2: Convert to fraction form
    1,380,695.94/2,070,081.02 = 611,775.45/x
  3. Step 3: Cross multiply
    1,380,695.94x = 2,070,081.02 × 611,775.45
  4. Step 4: Simplify right side
    1,380,695.94x = 1,266,424,749,076.40
  5. Step 5: Solve for x
    x = 1,266,424,749,076.40/1,380,695.94
  6. Step 6: Final answer
    x = 917,236.53

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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.