Home / 1,621,228.07-2,429,875.76-1,190,772.56

Finding the Fourth Proportional to 1,621,228.07, 2,429,875.76 and 1,190,772.56

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Solution

The fourth proportional to 1,621,228.07, 2,429,875.76 and 1,190,772.56 is: 1,784,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,228.07 : 2,429,875.76 = 1,190,772.56 : x
  2. Step 2: Convert to fraction form
    1,621,228.07/2,429,875.76 = 1,190,772.56/x
  3. Step 3: Cross multiply
    1,621,228.07x = 2,429,875.76 × 1,190,772.56
  4. Step 4: Simplify right side
    1,621,228.07x = 2,893,429,361,113.90
  5. Step 5: Solve for x
    x = 2,893,429,361,113.90/1,621,228.07
  6. Step 6: Final answer
    x = 1,784,714.58

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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.