Home / 1,330,678.13-1,836,335.81-727,066.13

Finding the Fourth Proportional to 1,330,678.13, 1,836,335.81 and 727,066.13

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Solution

The fourth proportional to 1,330,678.13, 1,836,335.81 and 727,066.13 is: 1,003,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,678.13 : 1,836,335.81 = 727,066.13 : x
  2. Step 2: Convert to fraction form
    1,330,678.13/1,836,335.81 = 727,066.13/x
  3. Step 3: Cross multiply
    1,330,678.13x = 1,836,335.81 × 727,066.13
  4. Step 4: Simplify right side
    1,330,678.13x = 1,335,137,563,393.10
  5. Step 5: Solve for x
    x = 1,335,137,563,393.10/1,330,678.13
  6. Step 6: Final answer
    x = 1,003,351.25

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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.