Home / 1,242,005.30-1,863,007.95-494,051.30

Finding the Fourth Proportional to 1,242,005.30, 1,863,007.95 and 494,051.30

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Solution

The fourth proportional to 1,242,005.30, 1,863,007.95 and 494,051.30 is: 741,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,005.30 : 1,863,007.95 = 494,051.30 : x
  2. Step 2: Convert to fraction form
    1,242,005.30/1,863,007.95 = 494,051.30/x
  3. Step 3: Cross multiply
    1,242,005.30x = 1,863,007.95 × 494,051.30
  4. Step 4: Simplify right side
    1,242,005.30x = 920,421,499,607.84
  5. Step 5: Solve for x
    x = 920,421,499,607.84/1,242,005.30
  6. Step 6: Final answer
    x = 741,076.95

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Double scale
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Similar ratio
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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.