Home / 1,283,456.43-1,772,005.47-824,747.76

Finding the Fourth Proportional to 1,283,456.43, 1,772,005.47 and 824,747.76

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Solution

The fourth proportional to 1,283,456.43, 1,772,005.47 and 824,747.76 is: 1,138,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,456.43 : 1,772,005.47 = 824,747.76 : x
  2. Step 2: Convert to fraction form
    1,283,456.43/1,772,005.47 = 824,747.76/x
  3. Step 3: Cross multiply
    1,283,456.43x = 1,772,005.47 × 824,747.76
  4. Step 4: Simplify right side
    1,283,456.43x = 1,461,457,542,090.25
  5. Step 5: Solve for x
    x = 1,461,457,542,090.25/1,283,456.43
  6. Step 6: Final answer
    x = 1,138,688.86

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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.