Home / 1,425,174.84-1,966,719.54-780,593.04

Finding the Fourth Proportional to 1,425,174.84, 1,966,719.54 and 780,593.04

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Solution

The fourth proportional to 1,425,174.84, 1,966,719.54 and 780,593.04 is: 1,077,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,174.84 : 1,966,719.54 = 780,593.04 : x
  2. Step 2: Convert to fraction form
    1,425,174.84/1,966,719.54 = 780,593.04/x
  3. Step 3: Cross multiply
    1,425,174.84x = 1,966,719.54 × 780,593.04
  4. Step 4: Simplify right side
    1,425,174.84x = 1,535,207,584,556.00
  5. Step 5: Solve for x
    x = 1,535,207,584,556.00/1,425,174.84
  6. Step 6: Final answer
    x = 1,077,206.49

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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.