Home / 1,129,070.55-1,558,113.38-612,824.44

Finding the Fourth Proportional to 1,129,070.55, 1,558,113.38 and 612,824.44

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Solution

The fourth proportional to 1,129,070.55, 1,558,113.38 and 612,824.44 is: 845,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,070.55 : 1,558,113.38 = 612,824.44 : x
  2. Step 2: Convert to fraction form
    1,129,070.55/1,558,113.38 = 612,824.44/x
  3. Step 3: Cross multiply
    1,129,070.55x = 1,558,113.38 × 612,824.44
  4. Step 4: Simplify right side
    1,129,070.55x = 954,849,961,262.29
  5. Step 5: Solve for x
    x = 954,849,961,262.29/1,129,070.55
  6. Step 6: Final answer
    x = 845,695.57

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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.