Home / 1,456,578.45-2,184,864.03-391,620.42

Finding the Fourth Proportional to 1,456,578.45, 2,184,864.03 and 391,620.42

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Solution

The fourth proportional to 1,456,578.45, 2,184,864.03 and 391,620.42 is: 587,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,578.45 : 2,184,864.03 = 391,620.42 : x
  2. Step 2: Convert to fraction form
    1,456,578.45/2,184,864.03 = 391,620.42/x
  3. Step 3: Cross multiply
    1,456,578.45x = 2,184,864.03 × 391,620.42
  4. Step 4: Simplify right side
    1,456,578.45x = 855,637,369,071.49
  5. Step 5: Solve for x
    x = 855,637,369,071.49/1,456,578.45
  6. Step 6: Final answer
    x = 587,429.65

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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.