Home / 1,258,603.72-1,887,871-311,953.48

Finding the Fourth Proportional to 1,258,603.72, 1,887,871 and 311,953.48

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Solution

The fourth proportional to 1,258,603.72, 1,887,871 and 311,953.48 is: 467,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,603.72 : 1,887,871 = 311,953.48 : x
  2. Step 2: Convert to fraction form
    1,258,603.72/1,887,871 = 311,953.48/x
  3. Step 3: Cross multiply
    1,258,603.72x = 1,887,871 × 311,953.48
  4. Step 4: Simplify right side
    1,258,603.72x = 588,927,928,241.08
  5. Step 5: Solve for x
    x = 588,927,928,241.08/1,258,603.72
  6. Step 6: Final answer
    x = 467,921.65

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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.