Home / 1,010,343.26-1,394,273.72-688,615.40

Finding the Fourth Proportional to 1,010,343.26, 1,394,273.72 and 688,615.40

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Solution

The fourth proportional to 1,010,343.26, 1,394,273.72 and 688,615.40 is: 950,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,343.26 : 1,394,273.72 = 688,615.40 : x
  2. Step 2: Convert to fraction form
    1,010,343.26/1,394,273.72 = 688,615.40/x
  3. Step 3: Cross multiply
    1,010,343.26x = 1,394,273.72 × 688,615.40
  4. Step 4: Simplify right side
    1,010,343.26x = 960,118,355,407.29
  5. Step 5: Solve for x
    x = 960,118,355,407.29/1,010,343.26
  6. Step 6: Final answer
    x = 950,289.27

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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.