Home / 1,673,400.60-2,309,310.72-909,454.20

Finding the Fourth Proportional to 1,673,400.60, 2,309,310.72 and 909,454.20

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Solution

The fourth proportional to 1,673,400.60, 2,309,310.72 and 909,454.20 is: 1,255,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,400.60 : 2,309,310.72 = 909,454.20 : x
  2. Step 2: Convert to fraction form
    1,673,400.60/2,309,310.72 = 909,454.20/x
  3. Step 3: Cross multiply
    1,673,400.60x = 2,309,310.72 × 909,454.20
  4. Step 4: Simplify right side
    1,673,400.60x = 2,100,212,333,409.02
  5. Step 5: Solve for x
    x = 2,100,212,333,409.02/1,673,400.60
  6. Step 6: Final answer
    x = 1,255,056.52

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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.