Home / 1,019,979.95-1,407,564.55-561,084.64

Finding the Fourth Proportional to 1,019,979.95, 1,407,564.55 and 561,084.64

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Solution

The fourth proportional to 1,019,979.95, 1,407,564.55 and 561,084.64 is: 774,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,979.95 : 1,407,564.55 = 561,084.64 : x
  2. Step 2: Convert to fraction form
    1,019,979.95/1,407,564.55 = 561,084.64/x
  3. Step 3: Cross multiply
    1,019,979.95x = 1,407,564.55 × 561,084.64
  4. Step 4: Simplify right side
    1,019,979.95x = 789,762,846,008.09
  5. Step 5: Solve for x
    x = 789,762,846,008.09/1,019,979.95
  6. Step 6: Final answer
    x = 774,292.52

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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.