Home / 1,071,380.40-1,607,070.60-834,900.09

Finding the Fourth Proportional to 1,071,380.40, 1,607,070.60 and 834,900.09

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Solution

The fourth proportional to 1,071,380.40, 1,607,070.60 and 834,900.09 is: 1,252,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,380.40 : 1,607,070.60 = 834,900.09 : x
  2. Step 2: Convert to fraction form
    1,071,380.40/1,607,070.60 = 834,900.09/x
  3. Step 3: Cross multiply
    1,071,380.40x = 1,607,070.60 × 834,900.09
  4. Step 4: Simplify right side
    1,071,380.40x = 1,341,743,388,576.35
  5. Step 5: Solve for x
    x = 1,341,743,388,576.35/1,071,380.40
  6. Step 6: Final answer
    x = 1,252,350.14

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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.