Home / 1,215,509.70-1,676,313.72-1,012,233.72

Finding the Fourth Proportional to 1,215,509.70, 1,676,313.72 and 1,012,233.72

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Solution

The fourth proportional to 1,215,509.70, 1,676,313.72 and 1,012,233.72 is: 1,395,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,509.70 : 1,676,313.72 = 1,012,233.72 : x
  2. Step 2: Convert to fraction form
    1,215,509.70/1,676,313.72 = 1,012,233.72/x
  3. Step 3: Cross multiply
    1,215,509.70x = 1,676,313.72 × 1,012,233.72
  4. Step 4: Simplify right side
    1,215,509.70x = 1,696,821,272,682.64
  5. Step 5: Solve for x
    x = 1,696,821,272,682.64/1,215,509.70
  6. Step 6: Final answer
    x = 1,395,975.10

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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.