Home / 1,077,266.19-1,615,402.48-318,836.46

Finding the Fourth Proportional to 1,077,266.19, 1,615,402.48 and 318,836.46

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Solution

The fourth proportional to 1,077,266.19, 1,615,402.48 and 318,836.46 is: 478,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,266.19 : 1,615,402.48 = 318,836.46 : x
  2. Step 2: Convert to fraction form
    1,077,266.19/1,615,402.48 = 318,836.46/x
  3. Step 3: Cross multiply
    1,077,266.19x = 1,615,402.48 × 318,836.46
  4. Step 4: Simplify right side
    1,077,266.19x = 515,049,208,198.42
  5. Step 5: Solve for x
    x = 515,049,208,198.42/1,077,266.19
  6. Step 6: Final answer
    x = 478,107.65

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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.