Home / 927,945-1,390,922.46-607,976.04

Finding the Fourth Proportional to 927,945, 1,390,922.46 and 607,976.04

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Solution

The fourth proportional to 927,945, 1,390,922.46 and 607,976.04 is: 911,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,945 : 1,390,922.46 = 607,976.04 : x
  2. Step 2: Convert to fraction form
    927,945/1,390,922.46 = 607,976.04/x
  3. Step 3: Cross multiply
    927,945x = 1,390,922.46 × 607,976.04
  4. Step 4: Simplify right side
    927,945x = 845,647,529,177.86
  5. Step 5: Solve for x
    x = 845,647,529,177.86/927,945
  6. Step 6: Final answer
    x = 911,312.12

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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.