Home / 1,321,154.84-1,823,132.66-748,199.12

Finding the Fourth Proportional to 1,321,154.84, 1,823,132.66 and 748,199.12

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Solution

The fourth proportional to 1,321,154.84, 1,823,132.66 and 748,199.12 is: 1,032,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,154.84 : 1,823,132.66 = 748,199.12 : x
  2. Step 2: Convert to fraction form
    1,321,154.84/1,823,132.66 = 748,199.12/x
  3. Step 3: Cross multiply
    1,321,154.84x = 1,823,132.66 × 748,199.12
  4. Step 4: Simplify right side
    1,321,154.84x = 1,364,066,238,998.60
  5. Step 5: Solve for x
    x = 1,364,066,238,998.60/1,321,154.84
  6. Step 6: Final answer
    x = 1,032,480.22

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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.