Home / 1,513,085.99-2,269,038.49-660,418.43

Finding the Fourth Proportional to 1,513,085.99, 2,269,038.49 and 660,418.43

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Solution

The fourth proportional to 1,513,085.99, 2,269,038.49 and 660,418.43 is: 990,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,085.99 : 2,269,038.49 = 660,418.43 : x
  2. Step 2: Convert to fraction form
    1,513,085.99/2,269,038.49 = 660,418.43/x
  3. Step 3: Cross multiply
    1,513,085.99x = 2,269,038.49 × 660,418.43
  4. Step 4: Simplify right side
    1,513,085.99x = 1,498,514,837,175.37
  5. Step 5: Solve for x
    x = 1,498,514,837,175.37/1,513,085.99
  6. Step 6: Final answer
    x = 990,369.91

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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.