Home / 1,220,523.26-1,684,421.88-676,829.58

Finding the Fourth Proportional to 1,220,523.26, 1,684,421.88 and 676,829.58

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Solution

The fourth proportional to 1,220,523.26, 1,684,421.88 and 676,829.58 is: 934,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,523.26 : 1,684,421.88 = 676,829.58 : x
  2. Step 2: Convert to fraction form
    1,220,523.26/1,684,421.88 = 676,829.58/x
  3. Step 3: Cross multiply
    1,220,523.26x = 1,684,421.88 × 676,829.58
  4. Step 4: Simplify right side
    1,220,523.26x = 1,140,066,553,583.21
  5. Step 5: Solve for x
    x = 1,140,066,553,583.21/1,220,523.26
  6. Step 6: Final answer
    x = 934,080.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.