Home / 1,118,320.32-1,676,080.62-880,724.64

Finding the Fourth Proportional to 1,118,320.32, 1,676,080.62 and 880,724.64

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Solution

The fourth proportional to 1,118,320.32, 1,676,080.62 and 880,724.64 is: 1,319,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,320.32 : 1,676,080.62 = 880,724.64 : x
  2. Step 2: Convert to fraction form
    1,118,320.32/1,676,080.62 = 880,724.64/x
  3. Step 3: Cross multiply
    1,118,320.32x = 1,676,080.62 × 880,724.64
  4. Step 4: Simplify right side
    1,118,320.32x = 1,476,165,500,660.48
  5. Step 5: Solve for x
    x = 1,476,165,500,660.48/1,118,320.32
  6. Step 6: Final answer
    x = 1,319,984.51

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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.