Home / 1,416,622.91-1,954,882.55-772,029.16

Finding the Fourth Proportional to 1,416,622.91, 1,954,882.55 and 772,029.16

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Solution

The fourth proportional to 1,416,622.91, 1,954,882.55 and 772,029.16 is: 1,065,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,622.91 : 1,954,882.55 = 772,029.16 : x
  2. Step 2: Convert to fraction form
    1,416,622.91/1,954,882.55 = 772,029.16/x
  3. Step 3: Cross multiply
    1,416,622.91x = 1,954,882.55 × 772,029.16
  4. Step 4: Simplify right side
    1,416,622.91x = 1,509,226,330,018.02
  5. Step 5: Solve for x
    x = 1,509,226,330,018.02/1,416,622.91
  6. Step 6: Final answer
    x = 1,065,369.14

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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.