Home / 1,492,499.12-2,238,089.88-427,299.44

Finding the Fourth Proportional to 1,492,499.12, 2,238,089.88 and 427,299.44

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Solution

The fourth proportional to 1,492,499.12, 2,238,089.88 and 427,299.44 is: 640,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,499.12 : 2,238,089.88 = 427,299.44 : x
  2. Step 2: Convert to fraction form
    1,492,499.12/2,238,089.88 = 427,299.44/x
  3. Step 3: Cross multiply
    1,492,499.12x = 2,238,089.88 × 427,299.44
  4. Step 4: Simplify right side
    1,492,499.12x = 956,334,552,393.67
  5. Step 5: Solve for x
    x = 956,334,552,393.67/1,492,499.12
  6. Step 6: Final answer
    x = 640,760.55

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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.