Home / 1,129,827.99-1,558,511.78-676,856.55

Finding the Fourth Proportional to 1,129,827.99, 1,558,511.78 and 676,856.55

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Solution

The fourth proportional to 1,129,827.99, 1,558,511.78 and 676,856.55 is: 933,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,827.99 : 1,558,511.78 = 676,856.55 : x
  2. Step 2: Convert to fraction form
    1,129,827.99/1,558,511.78 = 676,856.55/x
  3. Step 3: Cross multiply
    1,129,827.99x = 1,558,511.78 × 676,856.55
  4. Step 4: Simplify right side
    1,129,827.99x = 1,054,888,903,160.88
  5. Step 5: Solve for x
    x = 1,054,888,903,160.88/1,129,827.99
  6. Step 6: Final answer
    x = 933,672.13

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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.