Home / 1,368,401.49-1,888,334.78-748,195.29

Finding the Fourth Proportional to 1,368,401.49, 1,888,334.78 and 748,195.29

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Solution

The fourth proportional to 1,368,401.49, 1,888,334.78 and 748,195.29 is: 1,032,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,401.49 : 1,888,334.78 = 748,195.29 : x
  2. Step 2: Convert to fraction form
    1,368,401.49/1,888,334.78 = 748,195.29/x
  3. Step 3: Cross multiply
    1,368,401.49x = 1,888,334.78 × 748,195.29
  4. Step 4: Simplify right side
    1,368,401.49x = 1,412,843,184,598.21
  5. Step 5: Solve for x
    x = 1,412,843,184,598.21/1,368,401.49
  6. Step 6: Final answer
    x = 1,032,477.09

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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.