Home / 1,492,043.76-2,238,010.92-427,084.20

Finding the Fourth Proportional to 1,492,043.76, 2,238,010.92 and 427,084.20

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Solution

The fourth proportional to 1,492,043.76, 2,238,010.92 and 427,084.20 is: 640,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,043.76 : 2,238,010.92 = 427,084.20 : x
  2. Step 2: Convert to fraction form
    1,492,043.76/2,238,010.92 = 427,084.20/x
  3. Step 3: Cross multiply
    1,492,043.76x = 2,238,010.92 × 427,084.20
  4. Step 4: Simplify right side
    1,492,043.76x = 955,819,103,359.46
  5. Step 5: Solve for x
    x = 955,819,103,359.46/1,492,043.76
  6. Step 6: Final answer
    x = 640,610.64

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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.