Home / 1,090,867.70-1,505,441.76-607,402.20

Finding the Fourth Proportional to 1,090,867.70, 1,505,441.76 and 607,402.20

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Solution

The fourth proportional to 1,090,867.70, 1,505,441.76 and 607,402.20 is: 838,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,867.70 : 1,505,441.76 = 607,402.20 : x
  2. Step 2: Convert to fraction form
    1,090,867.70/1,505,441.76 = 607,402.20/x
  3. Step 3: Cross multiply
    1,090,867.70x = 1,505,441.76 × 607,402.20
  4. Step 4: Simplify right side
    1,090,867.70x = 914,408,636,995.87
  5. Step 5: Solve for x
    x = 914,408,636,995.87/1,090,867.70
  6. Step 6: Final answer
    x = 838,239.72

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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.