Home / 1,429,980.68-1,972,893.19-809,701.06

Finding the Fourth Proportional to 1,429,980.68, 1,972,893.19 and 809,701.06

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Solution

The fourth proportional to 1,429,980.68, 1,972,893.19 and 809,701.06 is: 1,117,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,980.68 : 1,972,893.19 = 809,701.06 : x
  2. Step 2: Convert to fraction form
    1,429,980.68/1,972,893.19 = 809,701.06/x
  3. Step 3: Cross multiply
    1,429,980.68x = 1,972,893.19 × 809,701.06
  4. Step 4: Simplify right side
    1,429,980.68x = 1,597,453,710,377.84
  5. Step 5: Solve for x
    x = 1,597,453,710,377.84/1,429,980.68
  6. Step 6: Final answer
    x = 1,117,115.59

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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.