Home / 1,009,426.60-1,514,723.10-378,404.20

Finding the Fourth Proportional to 1,009,426.60, 1,514,723.10 and 378,404.20

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Solution

The fourth proportional to 1,009,426.60, 1,514,723.10 and 378,404.20 is: 567,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,426.60 : 1,514,723.10 = 378,404.20 : x
  2. Step 2: Convert to fraction form
    1,009,426.60/1,514,723.10 = 378,404.20/x
  3. Step 3: Cross multiply
    1,009,426.60x = 1,514,723.10 × 378,404.20
  4. Step 4: Simplify right side
    1,009,426.60x = 573,177,582,877.02
  5. Step 5: Solve for x
    x = 573,177,582,877.02/1,009,426.60
  6. Step 6: Final answer
    x = 567,824.92

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Double scale
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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.