Home / 1,377,965.72-1,901,551.14-766,132.02

Finding the Fourth Proportional to 1,377,965.72, 1,901,551.14 and 766,132.02

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Solution

The fourth proportional to 1,377,965.72, 1,901,551.14 and 766,132.02 is: 1,057,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,965.72 : 1,901,551.14 = 766,132.02 : x
  2. Step 2: Convert to fraction form
    1,377,965.72/1,901,551.14 = 766,132.02/x
  3. Step 3: Cross multiply
    1,377,965.72x = 1,901,551.14 × 766,132.02
  4. Step 4: Simplify right side
    1,377,965.72x = 1,456,839,216,021.50
  5. Step 5: Solve for x
    x = 1,456,839,216,021.50/1,377,965.72
  6. Step 6: Final answer
    x = 1,057,239.08

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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.