Home / 1,389,556.80-2,083,268.16-705,882.24

Finding the Fourth Proportional to 1,389,556.80, 2,083,268.16 and 705,882.24

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Solution

The fourth proportional to 1,389,556.80, 2,083,268.16 and 705,882.24 is: 1,058,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,556.80 : 2,083,268.16 = 705,882.24 : x
  2. Step 2: Convert to fraction form
    1,389,556.80/2,083,268.16 = 705,882.24/x
  3. Step 3: Cross multiply
    1,389,556.80x = 2,083,268.16 × 705,882.24
  4. Step 4: Simplify right side
    1,389,556.80x = 1,470,541,995,301.48
  5. Step 5: Solve for x
    x = 1,470,541,995,301.48/1,389,556.80
  6. Step 6: Final answer
    x = 1,058,281.31

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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.