Home / 1,401,282.72-1,931,746.32-998,174.88

Finding the Fourth Proportional to 1,401,282.72, 1,931,746.32 and 998,174.88

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Solution

The fourth proportional to 1,401,282.72, 1,931,746.32 and 998,174.88 is: 1,376,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,282.72 : 1,931,746.32 = 998,174.88 : x
  2. Step 2: Convert to fraction form
    1,401,282.72/1,931,746.32 = 998,174.88/x
  3. Step 3: Cross multiply
    1,401,282.72x = 1,931,746.32 × 998,174.88
  4. Step 4: Simplify right side
    1,401,282.72x = 1,928,220,651,156.44
  5. Step 5: Solve for x
    x = 1,928,220,651,156.44/1,401,282.72
  6. Step 6: Final answer
    x = 1,376,039.70

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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.