Home / 957,307.80-1,435,961.70-780,160.80

Finding the Fourth Proportional to 957,307.80, 1,435,961.70 and 780,160.80

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Solution

The fourth proportional to 957,307.80, 1,435,961.70 and 780,160.80 is: 1,170,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,307.80 : 1,435,961.70 = 780,160.80 : x
  2. Step 2: Convert to fraction form
    957,307.80/1,435,961.70 = 780,160.80/x
  3. Step 3: Cross multiply
    957,307.80x = 1,435,961.70 × 780,160.80
  4. Step 4: Simplify right side
    957,307.80x = 1,120,281,028,641.36
  5. Step 5: Solve for x
    x = 1,120,281,028,641.36/957,307.80
  6. Step 6: Final answer
    x = 1,170,241.20

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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.