Home / 1,463,895.05-2,020,238.31-810,521.07

Finding the Fourth Proportional to 1,463,895.05, 2,020,238.31 and 810,521.07

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Solution

The fourth proportional to 1,463,895.05, 2,020,238.31 and 810,521.07 is: 1,118,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,895.05 : 2,020,238.31 = 810,521.07 : x
  2. Step 2: Convert to fraction form
    1,463,895.05/2,020,238.31 = 810,521.07/x
  3. Step 3: Cross multiply
    1,463,895.05x = 2,020,238.31 × 810,521.07
  4. Step 4: Simplify right side
    1,463,895.05x = 1,637,445,716,676.19
  5. Step 5: Solve for x
    x = 1,637,445,716,676.19/1,463,895.05
  6. Step 6: Final answer
    x = 1,118,554.04

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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.