Home / 1,657,965.86-2,287,976.71-922,908.48

Finding the Fourth Proportional to 1,657,965.86, 2,287,976.71 and 922,908.48

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Solution

The fourth proportional to 1,657,965.86, 2,287,976.71 and 922,908.48 is: 1,273,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,965.86 : 2,287,976.71 = 922,908.48 : x
  2. Step 2: Convert to fraction form
    1,657,965.86/2,287,976.71 = 922,908.48/x
  3. Step 3: Cross multiply
    1,657,965.86x = 2,287,976.71 × 922,908.48
  4. Step 4: Simplify right side
    1,657,965.86x = 2,111,593,107,701.50
  5. Step 5: Solve for x
    x = 2,111,593,107,701.50/1,657,965.86
  6. Step 6: Final answer
    x = 1,273,604.70

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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.