Home / 782,033.38-1,173,879.58-692,656.30

Finding the Fourth Proportional to 782,033.38, 1,173,879.58 and 692,656.30

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Solution

The fourth proportional to 782,033.38, 1,173,879.58 and 692,656.30 is: 1,039,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,033.38 : 1,173,879.58 = 692,656.30 : x
  2. Step 2: Convert to fraction form
    782,033.38/1,173,879.58 = 692,656.30/x
  3. Step 3: Cross multiply
    782,033.38x = 1,173,879.58 × 692,656.30
  4. Step 4: Simplify right side
    782,033.38x = 813,095,086,528.35
  5. Step 5: Solve for x
    x = 813,095,086,528.35/782,033.38
  6. Step 6: Final answer
    x = 1,039,719.16

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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.