Home / 1,216,355.10-1,678,201.66-848,822.46

Finding the Fourth Proportional to 1,216,355.10, 1,678,201.66 and 848,822.46

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Solution

The fourth proportional to 1,216,355.10, 1,678,201.66 and 848,822.46 is: 1,171,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,355.10 : 1,678,201.66 = 848,822.46 : x
  2. Step 2: Convert to fraction form
    1,216,355.10/1,678,201.66 = 848,822.46/x
  3. Step 3: Cross multiply
    1,216,355.10x = 1,678,201.66 × 848,822.46
  4. Step 4: Simplify right side
    1,216,355.10x = 1,424,495,261,417.28
  5. Step 5: Solve for x
    x = 1,424,495,261,417.28/1,216,355.10
  6. Step 6: Final answer
    x = 1,171,117.93

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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.