Home / 1,416,983.86-1,955,421.82-772,389.92

Finding the Fourth Proportional to 1,416,983.86, 1,955,421.82 and 772,389.92

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Solution

The fourth proportional to 1,416,983.86, 1,955,421.82 and 772,389.92 is: 1,065,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,983.86 : 1,955,421.82 = 772,389.92 : x
  2. Step 2: Convert to fraction form
    1,416,983.86/1,955,421.82 = 772,389.92/x
  3. Step 3: Cross multiply
    1,416,983.86x = 1,955,421.82 × 772,389.92
  4. Step 4: Simplify right side
    1,416,983.86x = 1,510,348,103,116.05
  5. Step 5: Solve for x
    x = 1,510,348,103,116.05/1,416,983.86
  6. Step 6: Final answer
    x = 1,065,889.42

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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.