Home / 1,213,302.30-1,819,953.45-815,171.10

Finding the Fourth Proportional to 1,213,302.30, 1,819,953.45 and 815,171.10

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Solution

The fourth proportional to 1,213,302.30, 1,819,953.45 and 815,171.10 is: 1,222,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,302.30 : 1,819,953.45 = 815,171.10 : x
  2. Step 2: Convert to fraction form
    1,213,302.30/1,819,953.45 = 815,171.10/x
  3. Step 3: Cross multiply
    1,213,302.30x = 1,819,953.45 × 815,171.10
  4. Step 4: Simplify right side
    1,213,302.30x = 1,483,573,455,785.30
  5. Step 5: Solve for x
    x = 1,483,573,455,785.30/1,213,302.30
  6. Step 6: Final answer
    x = 1,222,756.65

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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.