Home / 1,558,920.86-2,151,492.30-1,296,813.14

Finding the Fourth Proportional to 1,558,920.86, 2,151,492.30 and 1,296,813.14

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Solution

The fourth proportional to 1,558,920.86, 2,151,492.30 and 1,296,813.14 is: 1,789,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,920.86 : 2,151,492.30 = 1,296,813.14 : x
  2. Step 2: Convert to fraction form
    1,558,920.86/2,151,492.30 = 1,296,813.14/x
  3. Step 3: Cross multiply
    1,558,920.86x = 2,151,492.30 × 1,296,813.14
  4. Step 4: Simplify right side
    1,558,920.86x = 2,790,083,485,248.82
  5. Step 5: Solve for x
    x = 2,790,083,485,248.82/1,558,920.86
  6. Step 6: Final answer
    x = 1,789,753.13

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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.