Home / 1,178,452.80-1,626,476.76-694,989.72

Finding the Fourth Proportional to 1,178,452.80, 1,626,476.76 and 694,989.72

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Solution

The fourth proportional to 1,178,452.80, 1,626,476.76 and 694,989.72 is: 959,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,452.80 : 1,626,476.76 = 694,989.72 : x
  2. Step 2: Convert to fraction form
    1,178,452.80/1,626,476.76 = 694,989.72/x
  3. Step 3: Cross multiply
    1,178,452.80x = 1,626,476.76 × 694,989.72
  4. Step 4: Simplify right side
    1,178,452.80x = 1,130,384,628,018.91
  5. Step 5: Solve for x
    x = 1,130,384,628,018.91/1,178,452.80
  6. Step 6: Final answer
    x = 959,210.78

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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.