Home / 1,492,102.30-2,238,153.45-494,830.30

Finding the Fourth Proportional to 1,492,102.30, 2,238,153.45 and 494,830.30

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Solution

The fourth proportional to 1,492,102.30, 2,238,153.45 and 494,830.30 is: 742,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,102.30 : 2,238,153.45 = 494,830.30 : x
  2. Step 2: Convert to fraction form
    1,492,102.30/2,238,153.45 = 494,830.30/x
  3. Step 3: Cross multiply
    1,492,102.30x = 2,238,153.45 × 494,830.30
  4. Step 4: Simplify right side
    1,492,102.30x = 1,107,506,143,109.54
  5. Step 5: Solve for x
    x = 1,107,506,143,109.54/1,492,102.30
  6. Step 6: Final answer
    x = 742,245.45

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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.