Home / 1,259,510.02-1,738,058.24-715,570.31

Finding the Fourth Proportional to 1,259,510.02, 1,738,058.24 and 715,570.31

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Solution

The fourth proportional to 1,259,510.02, 1,738,058.24 and 715,570.31 is: 987,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,510.02 : 1,738,058.24 = 715,570.31 : x
  2. Step 2: Convert to fraction form
    1,259,510.02/1,738,058.24 = 715,570.31/x
  3. Step 3: Cross multiply
    1,259,510.02x = 1,738,058.24 × 715,570.31
  4. Step 4: Simplify right side
    1,259,510.02x = 1,243,702,879,728.93
  5. Step 5: Solve for x
    x = 1,243,702,879,728.93/1,259,510.02
  6. Step 6: Final answer
    x = 987,449.77

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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.