Home / 1,147,230.31-1,583,179.14-637,921.75

Finding the Fourth Proportional to 1,147,230.31, 1,583,179.14 and 637,921.75

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Solution

The fourth proportional to 1,147,230.31, 1,583,179.14 and 637,921.75 is: 880,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,230.31 : 1,583,179.14 = 637,921.75 : x
  2. Step 2: Convert to fraction form
    1,147,230.31/1,583,179.14 = 637,921.75/x
  3. Step 3: Cross multiply
    1,147,230.31x = 1,583,179.14 × 637,921.75
  4. Step 4: Simplify right side
    1,147,230.31x = 1,009,944,407,552.30
  5. Step 5: Solve for x
    x = 1,009,944,407,552.30/1,147,230.31
  6. Step 6: Final answer
    x = 880,332.74

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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.