Home / 1,172,803.60-1,759,205.40-766,896.40

Finding the Fourth Proportional to 1,172,803.60, 1,759,205.40 and 766,896.40

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Solution

The fourth proportional to 1,172,803.60, 1,759,205.40 and 766,896.40 is: 1,150,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,803.60 : 1,759,205.40 = 766,896.40 : x
  2. Step 2: Convert to fraction form
    1,172,803.60/1,759,205.40 = 766,896.40/x
  3. Step 3: Cross multiply
    1,172,803.60x = 1,759,205.40 × 766,896.40
  4. Step 4: Simplify right side
    1,172,803.60x = 1,349,128,288,120.56
  5. Step 5: Solve for x
    x = 1,349,128,288,120.56/1,172,803.60
  6. Step 6: Final answer
    x = 1,150,344.60

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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.