Home / 1,673,261.28-2,309,135.04-909,364.32

Finding the Fourth Proportional to 1,673,261.28, 2,309,135.04 and 909,364.32

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Solution

The fourth proportional to 1,673,261.28, 2,309,135.04 and 909,364.32 is: 1,254,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,261.28 : 2,309,135.04 = 909,364.32 : x
  2. Step 2: Convert to fraction form
    1,673,261.28/2,309,135.04 = 909,364.32/x
  3. Step 3: Cross multiply
    1,673,261.28x = 2,309,135.04 × 909,364.32
  4. Step 4: Simplify right side
    1,673,261.28x = 2,099,845,015,437.77
  5. Step 5: Solve for x
    x = 2,099,845,015,437.77/1,673,261.28
  6. Step 6: Final answer
    x = 1,254,941.50

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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.