Home / 1,011,090.12-1,394,663.61-768,841.60

Finding the Fourth Proportional to 1,011,090.12, 1,394,663.61 and 768,841.60

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Solution

The fourth proportional to 1,011,090.12, 1,394,663.61 and 768,841.60 is: 1,060,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,090.12 : 1,394,663.61 = 768,841.60 : x
  2. Step 2: Convert to fraction form
    1,011,090.12/1,394,663.61 = 768,841.60/x
  3. Step 3: Cross multiply
    1,011,090.12x = 1,394,663.61 × 768,841.60
  4. Step 4: Simplify right side
    1,011,090.12x = 1,072,275,401,374.18
  5. Step 5: Solve for x
    x = 1,072,275,401,374.18/1,011,090.12
  6. Step 6: Final answer
    x = 1,060,514.17

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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.