Home / 1,266,781.95-1,748,141.06-723,089.97

Finding the Fourth Proportional to 1,266,781.95, 1,748,141.06 and 723,089.97

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Solution

The fourth proportional to 1,266,781.95, 1,748,141.06 and 723,089.97 is: 997,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,781.95 : 1,748,141.06 = 723,089.97 : x
  2. Step 2: Convert to fraction form
    1,266,781.95/1,748,141.06 = 723,089.97/x
  3. Step 3: Cross multiply
    1,266,781.95x = 1,748,141.06 × 723,089.97
  4. Step 4: Simplify right side
    1,266,781.95x = 1,264,063,263,015.72
  5. Step 5: Solve for x
    x = 1,264,063,263,015.72/1,266,781.95
  6. Step 6: Final answer
    x = 997,853.86

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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.