Home / 1,330,130.40-1,995,195.60-665,042.40

Finding the Fourth Proportional to 1,330,130.40, 1,995,195.60 and 665,042.40

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Solution

The fourth proportional to 1,330,130.40, 1,995,195.60 and 665,042.40 is: 997,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,130.40 : 1,995,195.60 = 665,042.40 : x
  2. Step 2: Convert to fraction form
    1,330,130.40/1,995,195.60 = 665,042.40/x
  3. Step 3: Cross multiply
    1,330,130.40x = 1,995,195.60 × 665,042.40
  4. Step 4: Simplify right side
    1,330,130.40x = 1,326,889,670,293.44
  5. Step 5: Solve for x
    x = 1,326,889,670,293.44/1,330,130.40
  6. Step 6: Final answer
    x = 997,563.60

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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.