Home / 1,174,388.20-1,620,578.98-690,859.92

Finding the Fourth Proportional to 1,174,388.20, 1,620,578.98 and 690,859.92

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Solution

The fourth proportional to 1,174,388.20, 1,620,578.98 and 690,859.92 is: 953,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,388.20 : 1,620,578.98 = 690,859.92 : x
  2. Step 2: Convert to fraction form
    1,174,388.20/1,620,578.98 = 690,859.92/x
  3. Step 3: Cross multiply
    1,174,388.20x = 1,620,578.98 × 690,859.92
  4. Step 4: Simplify right side
    1,174,388.20x = 1,119,593,064,476.48
  5. Step 5: Solve for x
    x = 1,119,593,064,476.48/1,174,388.20
  6. Step 6: Final answer
    x = 953,341.55

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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.