Home / 1,520,749.98-2,098,492.77-908,781.30

Finding the Fourth Proportional to 1,520,749.98, 2,098,492.77 and 908,781.30

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Solution

The fourth proportional to 1,520,749.98, 2,098,492.77 and 908,781.30 is: 1,254,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,749.98 : 2,098,492.77 = 908,781.30 : x
  2. Step 2: Convert to fraction form
    1,520,749.98/2,098,492.77 = 908,781.30/x
  3. Step 3: Cross multiply
    1,520,749.98x = 2,098,492.77 × 908,781.30
  4. Step 4: Simplify right side
    1,520,749.98x = 1,907,070,987,561.20
  5. Step 5: Solve for x
    x = 1,907,070,987,561.20/1,520,749.98
  6. Step 6: Final answer
    x = 1,254,033.22

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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.