Home / 1,205,505.90-1,805,634.45-731,364.30

Finding the Fourth Proportional to 1,205,505.90, 1,805,634.45 and 731,364.30

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Solution

The fourth proportional to 1,205,505.90, 1,805,634.45 and 731,364.30 is: 1,095,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,505.90 : 1,805,634.45 = 731,364.30 : x
  2. Step 2: Convert to fraction form
    1,205,505.90/1,805,634.45 = 731,364.30/x
  3. Step 3: Cross multiply
    1,205,505.90x = 1,805,634.45 × 731,364.30
  4. Step 4: Simplify right side
    1,205,505.90x = 1,320,576,575,580.14
  5. Step 5: Solve for x
    x = 1,320,576,575,580.14/1,205,505.90
  6. Step 6: Final answer
    x = 1,095,454.26

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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.