Home / 1,091,387.16-1,505,914.36-607,940.28

Finding the Fourth Proportional to 1,091,387.16, 1,505,914.36 and 607,940.28

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Solution

The fourth proportional to 1,091,387.16, 1,505,914.36 and 607,940.28 is: 838,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,387.16 : 1,505,914.36 = 607,940.28 : x
  2. Step 2: Convert to fraction form
    1,091,387.16/1,505,914.36 = 607,940.28/x
  3. Step 3: Cross multiply
    1,091,387.16x = 1,505,914.36 × 607,940.28
  4. Step 4: Simplify right side
    1,091,387.16x = 915,505,997,674.42
  5. Step 5: Solve for x
    x = 915,505,997,674.42/1,091,387.16
  6. Step 6: Final answer
    x = 838,846.22

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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.