Home / 963,750.40-1,445,625.60-809,785.60

Finding the Fourth Proportional to 963,750.40, 1,445,625.60 and 809,785.60

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Solution

The fourth proportional to 963,750.40, 1,445,625.60 and 809,785.60 is: 1,214,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,750.40 : 1,445,625.60 = 809,785.60 : x
  2. Step 2: Convert to fraction form
    963,750.40/1,445,625.60 = 809,785.60/x
  3. Step 3: Cross multiply
    963,750.40x = 1,445,625.60 × 809,785.60
  4. Step 4: Simplify right side
    963,750.40x = 1,170,646,793,871.36
  5. Step 5: Solve for x
    x = 1,170,646,793,871.36/963,750.40
  6. Step 6: Final answer
    x = 1,214,678.40

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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.