Home / 957,267.80-1,435,901.70-780,120.80

Finding the Fourth Proportional to 957,267.80, 1,435,901.70 and 780,120.80

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Solution

The fourth proportional to 957,267.80, 1,435,901.70 and 780,120.80 is: 1,170,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,267.80 : 1,435,901.70 = 780,120.80 : x
  2. Step 2: Convert to fraction form
    957,267.80/1,435,901.70 = 780,120.80/x
  3. Step 3: Cross multiply
    957,267.80x = 1,435,901.70 × 780,120.80
  4. Step 4: Simplify right side
    957,267.80x = 1,120,176,782,925.36
  5. Step 5: Solve for x
    x = 1,120,176,782,925.36/957,267.80
  6. Step 6: Final answer
    x = 1,170,181.20

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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.