Home / 1,283,872.56-1,771,238.79-824,918.46

Finding the Fourth Proportional to 1,283,872.56, 1,771,238.79 and 824,918.46

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Solution

The fourth proportional to 1,283,872.56, 1,771,238.79 and 824,918.46 is: 1,138,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,872.56 : 1,771,238.79 = 824,918.46 : x
  2. Step 2: Convert to fraction form
    1,283,872.56/1,771,238.79 = 824,918.46/x
  3. Step 3: Cross multiply
    1,283,872.56x = 1,771,238.79 × 824,918.46
  4. Step 4: Simplify right side
    1,283,872.56x = 1,461,127,574,939.06
  5. Step 5: Solve for x
    x = 1,461,127,574,939.06/1,283,872.56
  6. Step 6: Final answer
    x = 1,138,062.78

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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.