Home / 873,976.32-1,311,210.72-790,695.36

Finding the Fourth Proportional to 873,976.32, 1,311,210.72 and 790,695.36

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Solution

The fourth proportional to 873,976.32, 1,311,210.72 and 790,695.36 is: 1,186,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,976.32 : 1,311,210.72 = 790,695.36 : x
  2. Step 2: Convert to fraction form
    873,976.32/1,311,210.72 = 790,695.36/x
  3. Step 3: Cross multiply
    873,976.32x = 1,311,210.72 × 790,695.36
  4. Step 4: Simplify right side
    873,976.32x = 1,036,768,232,286.26
  5. Step 5: Solve for x
    x = 1,036,768,232,286.26/873,976.32
  6. Step 6: Final answer
    x = 1,186,265.82

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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.