Home / 1,185,389.37-1,776,287.97-784,594.28

Finding the Fourth Proportional to 1,185,389.37, 1,776,287.97 and 784,594.28

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Solution

The fourth proportional to 1,185,389.37, 1,776,287.97 and 784,594.28 is: 1,175,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,389.37 : 1,776,287.97 = 784,594.28 : x
  2. Step 2: Convert to fraction form
    1,185,389.37/1,776,287.97 = 784,594.28/x
  3. Step 3: Cross multiply
    1,185,389.37x = 1,776,287.97 × 784,594.28
  4. Step 4: Simplify right side
    1,185,389.37x = 1,393,665,385,335.53
  5. Step 5: Solve for x
    x = 1,393,665,385,335.53/1,185,389.37
  6. Step 6: Final answer
    x = 1,175,702.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.