Home / 1,303,160.82-1,798,373.85-722,390.21

Finding the Fourth Proportional to 1,303,160.82, 1,798,373.85 and 722,390.21

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Solution

The fourth proportional to 1,303,160.82, 1,798,373.85 and 722,390.21 is: 996,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,160.82 : 1,798,373.85 = 722,390.21 : x
  2. Step 2: Convert to fraction form
    1,303,160.82/1,798,373.85 = 722,390.21/x
  3. Step 3: Cross multiply
    1,303,160.82x = 1,798,373.85 × 722,390.21
  4. Step 4: Simplify right side
    1,303,160.82x = 1,299,127,663,160.01
  5. Step 5: Solve for x
    x = 1,299,127,663,160.01/1,303,160.82
  6. Step 6: Final answer
    x = 996,905.10

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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.