Home / 1,090,868.70-1,505,443.14-607,403.20

Finding the Fourth Proportional to 1,090,868.70, 1,505,443.14 and 607,403.20

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Solution

The fourth proportional to 1,090,868.70, 1,505,443.14 and 607,403.20 is: 838,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,868.70 : 1,505,443.14 = 607,403.20 : x
  2. Step 2: Convert to fraction form
    1,090,868.70/1,505,443.14 = 607,403.20/x
  3. Step 3: Cross multiply
    1,090,868.70x = 1,505,443.14 × 607,403.20
  4. Step 4: Simplify right side
    1,090,868.70x = 914,410,980,654.05
  5. Step 5: Solve for x
    x = 914,410,980,654.05/1,090,868.70
  6. Step 6: Final answer
    x = 838,241.10

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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.