Home / 1,551,030.73-2,140,391.71-862,687.78

Finding the Fourth Proportional to 1,551,030.73, 2,140,391.71 and 862,687.78

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Solution

The fourth proportional to 1,551,030.73, 2,140,391.71 and 862,687.78 is: 1,190,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,030.73 : 2,140,391.71 = 862,687.78 : x
  2. Step 2: Convert to fraction form
    1,551,030.73/2,140,391.71 = 862,687.78/x
  3. Step 3: Cross multiply
    1,551,030.73x = 2,140,391.71 × 862,687.78
  4. Step 4: Simplify right side
    1,551,030.73x = 1,846,489,768,316.87
  5. Step 5: Solve for x
    x = 1,846,489,768,316.87/1,551,030.73
  6. Step 6: Final answer
    x = 1,190,492.06

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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.