Home / 1,369,590.90-2,052,703.77-769,290.18

Finding the Fourth Proportional to 1,369,590.90, 2,052,703.77 and 769,290.18

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Solution

The fourth proportional to 1,369,590.90, 2,052,703.77 and 769,290.18 is: 1,152,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,590.90 : 2,052,703.77 = 769,290.18 : x
  2. Step 2: Convert to fraction form
    1,369,590.90/2,052,703.77 = 769,290.18/x
  3. Step 3: Cross multiply
    1,369,590.90x = 2,052,703.77 × 769,290.18
  4. Step 4: Simplify right side
    1,369,590.90x = 1,579,124,852,709.98
  5. Step 5: Solve for x
    x = 1,579,124,852,709.98/1,369,590.90
  6. Step 6: Final answer
    x = 1,152,990.18

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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.