Home / 1,275,376.48-1,759,889.29-785,268.16

Finding the Fourth Proportional to 1,275,376.48, 1,759,889.29 and 785,268.16

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Solution

The fourth proportional to 1,275,376.48, 1,759,889.29 and 785,268.16 is: 1,083,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,376.48 : 1,759,889.29 = 785,268.16 : x
  2. Step 2: Convert to fraction form
    1,275,376.48/1,759,889.29 = 785,268.16/x
  3. Step 3: Cross multiply
    1,275,376.48x = 1,759,889.29 × 785,268.16
  4. Step 4: Simplify right side
    1,275,376.48x = 1,381,985,024,562.01
  5. Step 5: Solve for x
    x = 1,381,985,024,562.01/1,275,376.48
  6. Step 6: Final answer
    x = 1,083,589.86

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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.