Home / 1,290,601.10-1,935,901.65-730,729.10

Finding the Fourth Proportional to 1,290,601.10, 1,935,901.65 and 730,729.10

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Solution

The fourth proportional to 1,290,601.10, 1,935,901.65 and 730,729.10 is: 1,096,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,601.10 : 1,935,901.65 = 730,729.10 : x
  2. Step 2: Convert to fraction form
    1,290,601.10/1,935,901.65 = 730,729.10/x
  3. Step 3: Cross multiply
    1,290,601.10x = 1,935,901.65 × 730,729.10
  4. Step 4: Simplify right side
    1,290,601.10x = 1,414,619,670,393.02
  5. Step 5: Solve for x
    x = 1,414,619,670,393.02/1,290,601.10
  6. Step 6: Final answer
    x = 1,096,093.65

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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.