Home / 1,407,941.32-1,941,079.38-1,118,513.20

Finding the Fourth Proportional to 1,407,941.32, 1,941,079.38 and 1,118,513.20

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Solution

The fourth proportional to 1,407,941.32, 1,941,079.38 and 1,118,513.20 is: 1,542,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,941.32 : 1,941,079.38 = 1,118,513.20 : x
  2. Step 2: Convert to fraction form
    1,407,941.32/1,941,079.38 = 1,118,513.20/x
  3. Step 3: Cross multiply
    1,407,941.32x = 1,941,079.38 × 1,118,513.20
  4. Step 4: Simplify right side
    1,407,941.32x = 2,171,122,908,777.82
  5. Step 5: Solve for x
    x = 2,171,122,908,777.82/1,407,941.32
  6. Step 6: Final answer
    x = 1,542,054.97

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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.