Home / 1,197,031.72-1,651,408.14-834,670.12

Finding the Fourth Proportional to 1,197,031.72, 1,651,408.14 and 834,670.12

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Solution

The fourth proportional to 1,197,031.72, 1,651,408.14 and 834,670.12 is: 1,151,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,031.72 : 1,651,408.14 = 834,670.12 : x
  2. Step 2: Convert to fraction form
    1,197,031.72/1,651,408.14 = 834,670.12/x
  3. Step 3: Cross multiply
    1,197,031.72x = 1,651,408.14 × 834,670.12
  4. Step 4: Simplify right side
    1,197,031.72x = 1,378,381,030,382.78
  5. Step 5: Solve for x
    x = 1,378,381,030,382.78/1,197,031.72
  6. Step 6: Final answer
    x = 1,151,499.17

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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.