Home / 1,113,007.80-1,669,511.70-271,559.55

Finding the Fourth Proportional to 1,113,007.80, 1,669,511.70 and 271,559.55

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Solution

The fourth proportional to 1,113,007.80, 1,669,511.70 and 271,559.55 is: 407,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,007.80 : 1,669,511.70 = 271,559.55 : x
  2. Step 2: Convert to fraction form
    1,113,007.80/1,669,511.70 = 271,559.55/x
  3. Step 3: Cross multiply
    1,113,007.80x = 1,669,511.70 × 271,559.55
  4. Step 4: Simplify right side
    1,113,007.80x = 453,371,845,971.74
  5. Step 5: Solve for x
    x = 453,371,845,971.74/1,113,007.80
  6. Step 6: Final answer
    x = 407,339.33

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Double scale
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Similar ratio
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1.5x scale

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.