Home / 1,266,951.78-1,748,421.61-723,076.74

Finding the Fourth Proportional to 1,266,951.78, 1,748,421.61 and 723,076.74

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Solution

The fourth proportional to 1,266,951.78, 1,748,421.61 and 723,076.74 is: 997,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,951.78 : 1,748,421.61 = 723,076.74 : x
  2. Step 2: Convert to fraction form
    1,266,951.78/1,748,421.61 = 723,076.74/x
  3. Step 3: Cross multiply
    1,266,951.78x = 1,748,421.61 × 723,076.74
  4. Step 4: Simplify right side
    1,266,951.78x = 1,264,242,997,904.35
  5. Step 5: Solve for x
    x = 1,264,242,997,904.35/1,266,951.78
  6. Step 6: Final answer
    x = 997,861.97

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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.