Home / 1,330,688.60-1,996,032.90-384,090.20

Finding the Fourth Proportional to 1,330,688.60, 1,996,032.90 and 384,090.20

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Solution

The fourth proportional to 1,330,688.60, 1,996,032.90 and 384,090.20 is: 576,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,688.60 : 1,996,032.90 = 384,090.20 : x
  2. Step 2: Convert to fraction form
    1,330,688.60/1,996,032.90 = 384,090.20/x
  3. Step 3: Cross multiply
    1,330,688.60x = 1,996,032.90 × 384,090.20
  4. Step 4: Simplify right side
    1,330,688.60x = 766,656,675,767.58
  5. Step 5: Solve for x
    x = 766,656,675,767.58/1,330,688.60
  6. Step 6: Final answer
    x = 576,135.30

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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.