Home / 1,463,895.66-2,020,239.15-810,521.68

Finding the Fourth Proportional to 1,463,895.66, 2,020,239.15 and 810,521.68

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Solution

The fourth proportional to 1,463,895.66, 2,020,239.15 and 810,521.68 is: 1,118,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,895.66 : 2,020,239.15 = 810,521.68 : x
  2. Step 2: Convert to fraction form
    1,463,895.66/2,020,239.15 = 810,521.68/x
  3. Step 3: Cross multiply
    1,463,895.66x = 2,020,239.15 × 810,521.68
  4. Step 4: Simplify right side
    1,463,895.66x = 1,637,447,633,519.18
  5. Step 5: Solve for x
    x = 1,637,447,633,519.18/1,463,895.66
  6. Step 6: Final answer
    x = 1,118,554.88

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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.