Home / 1,118,752.84-1,676,796.54-644,455.72

Finding the Fourth Proportional to 1,118,752.84, 1,676,796.54 and 644,455.72

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Solution

The fourth proportional to 1,118,752.84, 1,676,796.54 and 644,455.72 is: 965,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,752.84 : 1,676,796.54 = 644,455.72 : x
  2. Step 2: Convert to fraction form
    1,118,752.84/1,676,796.54 = 644,455.72/x
  3. Step 3: Cross multiply
    1,118,752.84x = 1,676,796.54 × 644,455.72
  4. Step 4: Simplify right side
    1,118,752.84x = 1,080,621,121,479.21
  5. Step 5: Solve for x
    x = 1,080,621,121,479.21/1,118,752.84
  6. Step 6: Final answer
    x = 965,915.87

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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.