Home / 1,028,098.48-1,418,606.64-645,854.56

Finding the Fourth Proportional to 1,028,098.48, 1,418,606.64 and 645,854.56

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Solution

The fourth proportional to 1,028,098.48, 1,418,606.64 and 645,854.56 is: 891,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,098.48 : 1,418,606.64 = 645,854.56 : x
  2. Step 2: Convert to fraction form
    1,028,098.48/1,418,606.64 = 645,854.56/x
  3. Step 3: Cross multiply
    1,028,098.48x = 1,418,606.64 × 645,854.56
  4. Step 4: Simplify right side
    1,028,098.48x = 916,213,567,290.28
  5. Step 5: Solve for x
    x = 916,213,567,290.28/1,028,098.48
  6. Step 6: Final answer
    x = 891,172.96

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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.