Home / 1,790,802.80-2,688,277.80-1,081,631.60

Finding the Fourth Proportional to 1,790,802.80, 2,688,277.80 and 1,081,631.60

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Solution

The fourth proportional to 1,790,802.80, 2,688,277.80 and 1,081,631.60 is: 1,623,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,802.80 : 2,688,277.80 = 1,081,631.60 : x
  2. Step 2: Convert to fraction form
    1,790,802.80/2,688,277.80 = 1,081,631.60/x
  3. Step 3: Cross multiply
    1,790,802.80x = 2,688,277.80 × 1,081,631.60
  4. Step 4: Simplify right side
    1,790,802.80x = 2,907,726,218,058.48
  5. Step 5: Solve for x
    x = 2,907,726,218,058.48/1,790,802.80
  6. Step 6: Final answer
    x = 1,623,699.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.