Home / 1,019,867.23-1,407,451.31-561,015.91

Finding the Fourth Proportional to 1,019,867.23, 1,407,451.31 and 561,015.91

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Solution

The fourth proportional to 1,019,867.23, 1,407,451.31 and 561,015.91 is: 774,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,867.23 : 1,407,451.31 = 561,015.91 : x
  2. Step 2: Convert to fraction form
    1,019,867.23/1,407,451.31 = 561,015.91/x
  3. Step 3: Cross multiply
    1,019,867.23x = 1,407,451.31 × 561,015.91
  4. Step 4: Simplify right side
    1,019,867.23x = 789,602,577,460.34
  5. Step 5: Solve for x
    x = 789,602,577,460.34/1,019,867.23
  6. Step 6: Final answer
    x = 774,220.95

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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.