Home / 1,178,186.25-1,765,631.64-637,274.37

Finding the Fourth Proportional to 1,178,186.25, 1,765,631.64 and 637,274.37

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Solution

The fourth proportional to 1,178,186.25, 1,765,631.64 and 637,274.37 is: 955,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,186.25 : 1,765,631.64 = 637,274.37 : x
  2. Step 2: Convert to fraction form
    1,178,186.25/1,765,631.64 = 637,274.37/x
  3. Step 3: Cross multiply
    1,178,186.25x = 1,765,631.64 × 637,274.37
  4. Step 4: Simplify right side
    1,178,186.25x = 1,125,191,791,033.07
  5. Step 5: Solve for x
    x = 1,125,191,791,033.07/1,178,186.25
  6. Step 6: Final answer
    x = 955,020.30

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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.