Home / 1,718,776.24-2,578,215.48-820,312.72

Finding the Fourth Proportional to 1,718,776.24, 2,578,215.48 and 820,312.72

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Solution

The fourth proportional to 1,718,776.24, 2,578,215.48 and 820,312.72 is: 1,230,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,776.24 : 2,578,215.48 = 820,312.72 : x
  2. Step 2: Convert to fraction form
    1,718,776.24/2,578,215.48 = 820,312.72/x
  3. Step 3: Cross multiply
    1,718,776.24x = 2,578,215.48 × 820,312.72
  4. Step 4: Simplify right side
    1,718,776.24x = 2,114,942,953,144.91
  5. Step 5: Solve for x
    x = 2,114,942,953,144.91/1,718,776.24
  6. Step 6: Final answer
    x = 1,230,493.48

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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.