Home / 996,145.79-1,492,848.14-426,845.39

Finding the Fourth Proportional to 996,145.79, 1,492,848.14 and 426,845.39

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Solution

The fourth proportional to 996,145.79, 1,492,848.14 and 426,845.39 is: 639,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,145.79 : 1,492,848.14 = 426,845.39 : x
  2. Step 2: Convert to fraction form
    996,145.79/1,492,848.14 = 426,845.39/x
  3. Step 3: Cross multiply
    996,145.79x = 1,492,848.14 × 426,845.39
  4. Step 4: Simplify right side
    996,145.79x = 637,215,336,930.61
  5. Step 5: Solve for x
    x = 637,215,336,930.61/996,145.79
  6. Step 6: Final answer
    x = 639,680.80

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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.