Home / 1,346,921.76-1,858,677.54-766,066.41

Finding the Fourth Proportional to 1,346,921.76, 1,858,677.54 and 766,066.41

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Solution

The fourth proportional to 1,346,921.76, 1,858,677.54 and 766,066.41 is: 1,057,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,921.76 : 1,858,677.54 = 766,066.41 : x
  2. Step 2: Convert to fraction form
    1,346,921.76/1,858,677.54 = 766,066.41/x
  3. Step 3: Cross multiply
    1,346,921.76x = 1,858,677.54 × 766,066.41
  4. Step 4: Simplify right side
    1,346,921.76x = 1,423,870,427,542.68
  5. Step 5: Solve for x
    x = 1,423,870,427,542.68/1,346,921.76
  6. Step 6: Final answer
    x = 1,057,129.27

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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.