Home / 1,673,321.04-2,309,201.04-909,374.76

Finding the Fourth Proportional to 1,673,321.04, 2,309,201.04 and 909,374.76

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Solution

The fourth proportional to 1,673,321.04, 2,309,201.04 and 909,374.76 is: 1,254,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,321.04 : 2,309,201.04 = 909,374.76 : x
  2. Step 2: Convert to fraction form
    1,673,321.04/2,309,201.04 = 909,374.76/x
  3. Step 3: Cross multiply
    1,673,321.04x = 2,309,201.04 × 909,374.76
  4. Step 4: Simplify right side
    1,673,321.04x = 2,099,929,141,541.75
  5. Step 5: Solve for x
    x = 2,099,929,141,541.75/1,673,321.04
  6. Step 6: Final answer
    x = 1,254,946.95

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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.