Home / 822,065.48-1,224,429.77-785,181.20

Finding the Fourth Proportional to 822,065.48, 1,224,429.77 and 785,181.20

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Solution

The fourth proportional to 822,065.48, 1,224,429.77 and 785,181.20 is: 1,169,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,065.48 : 1,224,429.77 = 785,181.20 : x
  2. Step 2: Convert to fraction form
    822,065.48/1,224,429.77 = 785,181.20/x
  3. Step 3: Cross multiply
    822,065.48x = 1,224,429.77 × 785,181.20
  4. Step 4: Simplify right side
    822,065.48x = 961,399,241,148.35
  5. Step 5: Solve for x
    x = 961,399,241,148.35/822,065.48
  6. Step 6: Final answer
    x = 1,169,492.29

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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.