Home / 907,905.60-1,361,858.40-839,671.20

Finding the Fourth Proportional to 907,905.60, 1,361,858.40 and 839,671.20

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Solution

The fourth proportional to 907,905.60, 1,361,858.40 and 839,671.20 is: 1,259,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,905.60 : 1,361,858.40 = 839,671.20 : x
  2. Step 2: Convert to fraction form
    907,905.60/1,361,858.40 = 839,671.20/x
  3. Step 3: Cross multiply
    907,905.60x = 1,361,858.40 × 839,671.20
  4. Step 4: Simplify right side
    907,905.60x = 1,143,513,276,958.08
  5. Step 5: Solve for x
    x = 1,143,513,276,958.08/907,905.60
  6. Step 6: Final answer
    x = 1,259,506.80

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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.