Home / 1,201,240.14-1,657,710.89-657,375.90

Finding the Fourth Proportional to 1,201,240.14, 1,657,710.89 and 657,375.90

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Solution

The fourth proportional to 1,201,240.14, 1,657,710.89 and 657,375.90 is: 907,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,240.14 : 1,657,710.89 = 657,375.90 : x
  2. Step 2: Convert to fraction form
    1,201,240.14/1,657,710.89 = 657,375.90/x
  3. Step 3: Cross multiply
    1,201,240.14x = 1,657,710.89 × 657,375.90
  4. Step 4: Simplify right side
    1,201,240.14x = 1,089,739,188,253.55
  5. Step 5: Solve for x
    x = 1,089,739,188,253.55/1,201,240.14
  6. Step 6: Final answer
    x = 907,178.47

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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.