Home / 1,417,359.80-1,955,965.88-772,790.78

Finding the Fourth Proportional to 1,417,359.80, 1,955,965.88 and 772,790.78

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Solution

The fourth proportional to 1,417,359.80, 1,955,965.88 and 772,790.78 is: 1,066,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,359.80 : 1,955,965.88 = 772,790.78 : x
  2. Step 2: Convert to fraction form
    1,417,359.80/1,955,965.88 = 772,790.78/x
  3. Step 3: Cross multiply
    1,417,359.80x = 1,955,965.88 × 772,790.78
  4. Step 4: Simplify right side
    1,417,359.80x = 1,511,552,398,058.59
  5. Step 5: Solve for x
    x = 1,511,552,398,058.59/1,417,359.80
  6. Step 6: Final answer
    x = 1,066,456.38

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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.