Home / 1,090,870.70-1,505,445.90-607,405.20

Finding the Fourth Proportional to 1,090,870.70, 1,505,445.90 and 607,405.20

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Solution

The fourth proportional to 1,090,870.70, 1,505,445.90 and 607,405.20 is: 838,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,870.70 : 1,505,445.90 = 607,405.20 : x
  2. Step 2: Convert to fraction form
    1,090,870.70/1,505,445.90 = 607,405.20/x
  3. Step 3: Cross multiply
    1,090,870.70x = 1,505,445.90 × 607,405.20
  4. Step 4: Simplify right side
    1,090,870.70x = 914,415,667,978.68
  5. Step 5: Solve for x
    x = 914,415,667,978.68/1,090,870.70
  6. Step 6: Final answer
    x = 838,243.86

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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.