Home / 1,403,442.66-1,936,776.08-823,084.36

Finding the Fourth Proportional to 1,403,442.66, 1,936,776.08 and 823,084.36

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Solution

The fourth proportional to 1,403,442.66, 1,936,776.08 and 823,084.36 is: 1,135,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,442.66 : 1,936,776.08 = 823,084.36 : x
  2. Step 2: Convert to fraction form
    1,403,442.66/1,936,776.08 = 823,084.36/x
  3. Step 3: Cross multiply
    1,403,442.66x = 1,936,776.08 × 823,084.36
  4. Step 4: Simplify right side
    1,403,442.66x = 1,594,130,100,270.11
  5. Step 5: Solve for x
    x = 1,594,130,100,270.11/1,403,442.66
  6. Step 6: Final answer
    x = 1,135,871.20

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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.