Home / 778,850.10-1,162,641.23-684,371.70

Finding the Fourth Proportional to 778,850.10, 1,162,641.23 and 684,371.70

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Solution

The fourth proportional to 778,850.10, 1,162,641.23 and 684,371.70 is: 1,021,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,850.10 : 1,162,641.23 = 684,371.70 : x
  2. Step 2: Convert to fraction form
    778,850.10/1,162,641.23 = 684,371.70/x
  3. Step 3: Cross multiply
    778,850.10x = 1,162,641.23 × 684,371.70
  4. Step 4: Simplify right side
    778,850.10x = 795,678,751,643.33
  5. Step 5: Solve for x
    x = 795,678,751,643.33/778,850.10
  6. Step 6: Final answer
    x = 1,021,607.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.