Home / 1,101,749-1,652,899.98-313,781

Finding the Fourth Proportional to 1,101,749, 1,652,899.98 and 313,781

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Solution

The fourth proportional to 1,101,749, 1,652,899.98 and 313,781 is: 470,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,749 : 1,652,899.98 = 313,781 : x
  2. Step 2: Convert to fraction form
    1,101,749/1,652,899.98 = 313,781/x
  3. Step 3: Cross multiply
    1,101,749x = 1,652,899.98 × 313,781
  4. Step 4: Simplify right side
    1,101,749x = 518,648,608,624.38
  5. Step 5: Solve for x
    x = 518,648,608,624.38/1,101,749
  6. Step 6: Final answer
    x = 470,750.24

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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.