Home / 1,393,762.02-2,091,231.09-761,937.72

Finding the Fourth Proportional to 1,393,762.02, 2,091,231.09 and 761,937.72

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Solution

The fourth proportional to 1,393,762.02, 2,091,231.09 and 761,937.72 is: 1,143,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,762.02 : 2,091,231.09 = 761,937.72 : x
  2. Step 2: Convert to fraction form
    1,393,762.02/2,091,231.09 = 761,937.72/x
  3. Step 3: Cross multiply
    1,393,762.02x = 2,091,231.09 × 761,937.72
  4. Step 4: Simplify right side
    1,393,762.02x = 1,593,387,848,707.72
  5. Step 5: Solve for x
    x = 1,593,387,848,707.72/1,393,762.02
  6. Step 6: Final answer
    x = 1,143,228.06

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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.