Home / 1,407,932.32-1,941,066.96-1,118,504.20

Finding the Fourth Proportional to 1,407,932.32, 1,941,066.96 and 1,118,504.20

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Solution

The fourth proportional to 1,407,932.32, 1,941,066.96 and 1,118,504.20 is: 1,542,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,932.32 : 1,941,066.96 = 1,118,504.20 : x
  2. Step 2: Convert to fraction form
    1,407,932.32/1,941,066.96 = 1,118,504.20/x
  3. Step 3: Cross multiply
    1,407,932.32x = 1,941,066.96 × 1,118,504.20
  4. Step 4: Simplify right side
    1,407,932.32x = 2,171,091,547,241.23
  5. Step 5: Solve for x
    x = 2,171,091,547,241.23/1,407,932.32
  6. Step 6: Final answer
    x = 1,542,042.55

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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.