Home / 1,416,712.26-1,955,005.89-772,118.58

Finding the Fourth Proportional to 1,416,712.26, 1,955,005.89 and 772,118.58

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Solution

The fourth proportional to 1,416,712.26, 1,955,005.89 and 772,118.58 is: 1,065,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,712.26 : 1,955,005.89 = 772,118.58 : x
  2. Step 2: Convert to fraction form
    1,416,712.26/1,955,005.89 = 772,118.58/x
  3. Step 3: Cross multiply
    1,416,712.26x = 1,955,005.89 × 772,118.58
  4. Step 4: Simplify right side
    1,416,712.26x = 1,509,496,371,678.44
  5. Step 5: Solve for x
    x = 1,509,496,371,678.44/1,416,712.26
  6. Step 6: Final answer
    x = 1,065,492.56

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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.