Home / 1,336,070.56-1,843,770.64-724,220.96

Finding the Fourth Proportional to 1,336,070.56, 1,843,770.64 and 724,220.96

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Solution

The fourth proportional to 1,336,070.56, 1,843,770.64 and 724,220.96 is: 999,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,070.56 : 1,843,770.64 = 724,220.96 : x
  2. Step 2: Convert to fraction form
    1,336,070.56/1,843,770.64 = 724,220.96/x
  3. Step 3: Cross multiply
    1,336,070.56x = 1,843,770.64 × 724,220.96
  4. Step 4: Simplify right side
    1,336,070.56x = 1,335,297,342,920.61
  5. Step 5: Solve for x
    x = 1,335,297,342,920.61/1,336,070.56
  6. Step 6: Final answer
    x = 999,421.28

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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.