Home / 1,266,783.98-1,748,287.54-723,002.12

Finding the Fourth Proportional to 1,266,783.98, 1,748,287.54 and 723,002.12

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Solution

The fourth proportional to 1,266,783.98, 1,748,287.54 and 723,002.12 is: 997,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,783.98 : 1,748,287.54 = 723,002.12 : x
  2. Step 2: Convert to fraction form
    1,266,783.98/1,748,287.54 = 723,002.12/x
  3. Step 3: Cross multiply
    1,266,783.98x = 1,748,287.54 × 723,002.12
  4. Step 4: Simplify right side
    1,266,783.98x = 1,264,015,597,789.58
  5. Step 5: Solve for x
    x = 1,264,015,597,789.58/1,266,783.98
  6. Step 6: Final answer
    x = 997,814.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.