Home / 1,463,895.42-2,020,238.83-810,521.45

Finding the Fourth Proportional to 1,463,895.42, 2,020,238.83 and 810,521.45

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Solution

The fourth proportional to 1,463,895.42, 2,020,238.83 and 810,521.45 is: 1,118,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,895.42 : 2,020,238.83 = 810,521.45 : x
  2. Step 2: Convert to fraction form
    1,463,895.42/2,020,238.83 = 810,521.45/x
  3. Step 3: Cross multiply
    1,463,895.42x = 2,020,238.83 × 810,521.45
  4. Step 4: Simplify right side
    1,463,895.42x = 1,637,446,893,710.41
  5. Step 5: Solve for x
    x = 1,637,446,893,710.41/1,463,895.42
  6. Step 6: Final answer
    x = 1,118,554.55

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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.