Home / 1,237,515.40-1,856,273.10-739,851.40

Finding the Fourth Proportional to 1,237,515.40, 1,856,273.10 and 739,851.40

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Solution

The fourth proportional to 1,237,515.40, 1,856,273.10 and 739,851.40 is: 1,109,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,515.40 : 1,856,273.10 = 739,851.40 : x
  2. Step 2: Convert to fraction form
    1,237,515.40/1,856,273.10 = 739,851.40/x
  3. Step 3: Cross multiply
    1,237,515.40x = 1,856,273.10 × 739,851.40
  4. Step 4: Simplify right side
    1,237,515.40x = 1,373,366,251,817.34
  5. Step 5: Solve for x
    x = 1,373,366,251,817.34/1,237,515.40
  6. Step 6: Final answer
    x = 1,109,777.10

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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.