Home / 1,613,289.54-2,421,427.95-815,132.82

Finding the Fourth Proportional to 1,613,289.54, 2,421,427.95 and 815,132.82

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Solution

The fourth proportional to 1,613,289.54, 2,421,427.95 and 815,132.82 is: 1,223,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,289.54 : 2,421,427.95 = 815,132.82 : x
  2. Step 2: Convert to fraction form
    1,613,289.54/2,421,427.95 = 815,132.82/x
  3. Step 3: Cross multiply
    1,613,289.54x = 2,421,427.95 × 815,132.82
  4. Step 4: Simplify right side
    1,613,289.54x = 1,973,785,393,310.32
  5. Step 5: Solve for x
    x = 1,973,785,393,310.32/1,613,289.54
  6. Step 6: Final answer
    x = 1,223,453.91

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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.