Home / 1,315,663.26-1,815,615.46-712,051.26

Finding the Fourth Proportional to 1,315,663.26, 1,815,615.46 and 712,051.26

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Solution

The fourth proportional to 1,315,663.26, 1,815,615.46 and 712,051.26 is: 982,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,663.26 : 1,815,615.46 = 712,051.26 : x
  2. Step 2: Convert to fraction form
    1,315,663.26/1,815,615.46 = 712,051.26/x
  3. Step 3: Cross multiply
    1,315,663.26x = 1,815,615.46 × 712,051.26
  4. Step 4: Simplify right side
    1,315,663.26x = 1,292,811,275,968.48
  5. Step 5: Solve for x
    x = 1,292,811,275,968.48/1,315,663.26
  6. Step 6: Final answer
    x = 982,630.83

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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.