Home / 771,565.71-1,159,127.33-739,679.79

Finding the Fourth Proportional to 771,565.71, 1,159,127.33 and 739,679.79

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Solution

The fourth proportional to 771,565.71, 1,159,127.33 and 739,679.79 is: 1,111,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,565.71 : 1,159,127.33 = 739,679.79 : x
  2. Step 2: Convert to fraction form
    771,565.71/1,159,127.33 = 739,679.79/x
  3. Step 3: Cross multiply
    771,565.71x = 1,159,127.33 × 739,679.79
  4. Step 4: Simplify right side
    771,565.71x = 857,383,056,339.26
  5. Step 5: Solve for x
    x = 857,383,056,339.26/771,565.71
  6. Step 6: Final answer
    x = 1,111,224.94

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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.