Home / 1,129,538.16-1,558,764.54-620,272.80

Finding the Fourth Proportional to 1,129,538.16, 1,558,764.54 and 620,272.80

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Solution

The fourth proportional to 1,129,538.16, 1,558,764.54 and 620,272.80 is: 855,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,538.16 : 1,558,764.54 = 620,272.80 : x
  2. Step 2: Convert to fraction form
    1,129,538.16/1,558,764.54 = 620,272.80/x
  3. Step 3: Cross multiply
    1,129,538.16x = 1,558,764.54 × 620,272.80
  4. Step 4: Simplify right side
    1,129,538.16x = 966,859,245,766.51
  5. Step 5: Solve for x
    x = 966,859,245,766.51/1,129,538.16
  6. Step 6: Final answer
    x = 855,977.50

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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.