Home / 1,488,944.40-2,233,416.60-424,021.20

Finding the Fourth Proportional to 1,488,944.40, 2,233,416.60 and 424,021.20

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Solution

The fourth proportional to 1,488,944.40, 2,233,416.60 and 424,021.20 is: 636,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,944.40 : 2,233,416.60 = 424,021.20 : x
  2. Step 2: Convert to fraction form
    1,488,944.40/2,233,416.60 = 424,021.20/x
  3. Step 3: Cross multiply
    1,488,944.40x = 2,233,416.60 × 424,021.20
  4. Step 4: Simplify right side
    1,488,944.40x = 947,015,986,831.92
  5. Step 5: Solve for x
    x = 947,015,986,831.92/1,488,944.40
  6. Step 6: Final answer
    x = 636,031.80

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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.