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Finding the Fourth Proportional to 1,797,751.47, 2,696,263.52 and 660,123.21

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Solution

The fourth proportional to 1,797,751.47, 2,696,263.52 and 660,123.21 is: 990,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,751.47 : 2,696,263.52 = 660,123.21 : x
  2. Step 2: Convert to fraction form
    1,797,751.47/2,696,263.52 = 660,123.21/x
  3. Step 3: Cross multiply
    1,797,751.47x = 2,696,263.52 × 660,123.21
  4. Step 4: Simplify right side
    1,797,751.47x = 1,779,866,126,527.68
  5. Step 5: Solve for x
    x = 1,779,866,126,527.68/1,797,751.47
  6. Step 6: Final answer
    x = 990,051.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.