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Finding the Fourth Proportional to 1,231,366.40, 1,845,494.40 and 598,918.40

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Solution

The fourth proportional to 1,231,366.40, 1,845,494.40 and 598,918.40 is: 897,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,366.40 : 1,845,494.40 = 598,918.40 : x
  2. Step 2: Convert to fraction form
    1,231,366.40/1,845,494.40 = 598,918.40/x
  3. Step 3: Cross multiply
    1,231,366.40x = 1,845,494.40 × 598,918.40
  4. Step 4: Simplify right side
    1,231,366.40x = 1,105,300,553,256.96
  5. Step 5: Solve for x
    x = 1,105,300,553,256.96/1,231,366.40
  6. Step 6: Final answer
    x = 897,621.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.