Home / 907,003.40-1,360,505.10-809,025.80

Finding the Fourth Proportional to 907,003.40, 1,360,505.10 and 809,025.80

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Solution

The fourth proportional to 907,003.40, 1,360,505.10 and 809,025.80 is: 1,213,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,003.40 : 1,360,505.10 = 809,025.80 : x
  2. Step 2: Convert to fraction form
    907,003.40/1,360,505.10 = 809,025.80/x
  3. Step 3: Cross multiply
    907,003.40x = 1,360,505.10 × 809,025.80
  4. Step 4: Simplify right side
    907,003.40x = 1,100,683,726,931.58
  5. Step 5: Solve for x
    x = 1,100,683,726,931.58/907,003.40
  6. Step 6: Final answer
    x = 1,213,538.70

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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.