Home / 1,090,127.10-1,635,190.65-670,223.10

Finding the Fourth Proportional to 1,090,127.10, 1,635,190.65 and 670,223.10

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Solution

The fourth proportional to 1,090,127.10, 1,635,190.65 and 670,223.10 is: 1,005,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,127.10 : 1,635,190.65 = 670,223.10 : x
  2. Step 2: Convert to fraction form
    1,090,127.10/1,635,190.65 = 670,223.10/x
  3. Step 3: Cross multiply
    1,090,127.10x = 1,635,190.65 × 670,223.10
  4. Step 4: Simplify right side
    1,090,127.10x = 1,095,942,546,534.01
  5. Step 5: Solve for x
    x = 1,095,942,546,534.01/1,090,127.10
  6. Step 6: Final answer
    x = 1,005,334.65

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Double scale
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Similar ratio
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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.