Home / 1,301,212.23-1,795,458.64-817,434.78

Finding the Fourth Proportional to 1,301,212.23, 1,795,458.64 and 817,434.78

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Solution

The fourth proportional to 1,301,212.23, 1,795,458.64 and 817,434.78 is: 1,127,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,212.23 : 1,795,458.64 = 817,434.78 : x
  2. Step 2: Convert to fraction form
    1,301,212.23/1,795,458.64 = 817,434.78/x
  3. Step 3: Cross multiply
    1,301,212.23x = 1,795,458.64 × 817,434.78
  4. Step 4: Simplify right side
    1,301,212.23x = 1,467,670,338,387.50
  5. Step 5: Solve for x
    x = 1,467,670,338,387.50/1,301,212.23
  6. Step 6: Final answer
    x = 1,127,925.41

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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.