Home / 1,135,221.47-1,564,977.88-893,083.51

Finding the Fourth Proportional to 1,135,221.47, 1,564,977.88 and 893,083.51

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Solution

The fourth proportional to 1,135,221.47, 1,564,977.88 and 893,083.51 is: 1,231,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,221.47 : 1,564,977.88 = 893,083.51 : x
  2. Step 2: Convert to fraction form
    1,135,221.47/1,564,977.88 = 893,083.51/x
  3. Step 3: Cross multiply
    1,135,221.47x = 1,564,977.88 × 893,083.51
  4. Step 4: Simplify right side
    1,135,221.47x = 1,397,655,938,142.76
  5. Step 5: Solve for x
    x = 1,397,655,938,142.76/1,135,221.47
  6. Step 6: Final answer
    x = 1,231,174.69

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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.