Home / 1,389,557.80-2,083,269.66-705,883.24

Finding the Fourth Proportional to 1,389,557.80, 2,083,269.66 and 705,883.24

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Solution

The fourth proportional to 1,389,557.80, 2,083,269.66 and 705,883.24 is: 1,058,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,557.80 : 2,083,269.66 = 705,883.24 : x
  2. Step 2: Convert to fraction form
    1,389,557.80/2,083,269.66 = 705,883.24/x
  3. Step 3: Cross multiply
    1,389,557.80x = 2,083,269.66 × 705,883.24
  4. Step 4: Simplify right side
    1,389,557.80x = 1,470,545,137,394.50
  5. Step 5: Solve for x
    x = 1,470,545,137,394.50/1,389,557.80
  6. Step 6: Final answer
    x = 1,058,282.81

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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.