Home / 1,129,646.25-1,558,922.76-620,359.56

Finding the Fourth Proportional to 1,129,646.25, 1,558,922.76 and 620,359.56

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Solution

The fourth proportional to 1,129,646.25, 1,558,922.76 and 620,359.56 is: 856,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,646.25 : 1,558,922.76 = 620,359.56 : x
  2. Step 2: Convert to fraction form
    1,129,646.25/1,558,922.76 = 620,359.56/x
  3. Step 3: Cross multiply
    1,129,646.25x = 1,558,922.76 × 620,359.56
  4. Step 4: Simplify right side
    1,129,646.25x = 967,092,637,467.59
  5. Step 5: Solve for x
    x = 967,092,637,467.59/1,129,646.25
  6. Step 6: Final answer
    x = 856,102.20

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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.