Home / 1,330,652.10-1,995,978.15-384,053.70

Finding the Fourth Proportional to 1,330,652.10, 1,995,978.15 and 384,053.70

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Solution

The fourth proportional to 1,330,652.10, 1,995,978.15 and 384,053.70 is: 576,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,652.10 : 1,995,978.15 = 384,053.70 : x
  2. Step 2: Convert to fraction form
    1,330,652.10/1,995,978.15 = 384,053.70/x
  3. Step 3: Cross multiply
    1,330,652.10x = 1,995,978.15 × 384,053.70
  4. Step 4: Simplify right side
    1,330,652.10x = 766,562,793,626.66
  5. Step 5: Solve for x
    x = 766,562,793,626.66/1,330,652.10
  6. Step 6: Final answer
    x = 576,080.55

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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.