Home / 1,019,980.45-1,407,565.24-561,085.14

Finding the Fourth Proportional to 1,019,980.45, 1,407,565.24 and 561,085.14

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Solution

The fourth proportional to 1,019,980.45, 1,407,565.24 and 561,085.14 is: 774,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,980.45 : 1,407,565.24 = 561,085.14 : x
  2. Step 2: Convert to fraction form
    1,019,980.45/1,407,565.24 = 561,085.14/x
  3. Step 3: Cross multiply
    1,019,980.45x = 1,407,565.24 × 561,085.14
  4. Step 4: Simplify right side
    1,019,980.45x = 789,763,936,939.11
  5. Step 5: Solve for x
    x = 789,763,936,939.11/1,019,980.45
  6. Step 6: Final answer
    x = 774,293.21

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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.