Home / 1,502,389.08-2,073,313.26-823,311

Finding the Fourth Proportional to 1,502,389.08, 2,073,313.26 and 823,311

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Solution

The fourth proportional to 1,502,389.08, 2,073,313.26 and 823,311 is: 1,136,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,389.08 : 2,073,313.26 = 823,311 : x
  2. Step 2: Convert to fraction form
    1,502,389.08/2,073,313.26 = 823,311/x
  3. Step 3: Cross multiply
    1,502,389.08x = 2,073,313.26 × 823,311
  4. Step 4: Simplify right side
    1,502,389.08x = 1,706,981,613,403.86
  5. Step 5: Solve for x
    x = 1,706,981,613,403.86/1,502,389.08
  6. Step 6: Final answer
    x = 1,136,178.13

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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.