Home / 1,555,228.69-2,146,261.07-910,588.57

Finding the Fourth Proportional to 1,555,228.69, 2,146,261.07 and 910,588.57

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Solution

The fourth proportional to 1,555,228.69, 2,146,261.07 and 910,588.57 is: 1,256,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,228.69 : 2,146,261.07 = 910,588.57 : x
  2. Step 2: Convert to fraction form
    1,555,228.69/2,146,261.07 = 910,588.57/x
  3. Step 3: Cross multiply
    1,555,228.69x = 2,146,261.07 × 910,588.57
  4. Step 4: Simplify right side
    1,555,228.69x = 1,954,360,798,577.97
  5. Step 5: Solve for x
    x = 1,954,360,798,577.97/1,555,228.69
  6. Step 6: Final answer
    x = 1,256,638.85

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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.