Home / 1,487,569.80-2,231,354.70-889,206.60

Finding the Fourth Proportional to 1,487,569.80, 2,231,354.70 and 889,206.60

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Solution

The fourth proportional to 1,487,569.80, 2,231,354.70 and 889,206.60 is: 1,333,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,569.80 : 2,231,354.70 = 889,206.60 : x
  2. Step 2: Convert to fraction form
    1,487,569.80/2,231,354.70 = 889,206.60/x
  3. Step 3: Cross multiply
    1,487,569.80x = 2,231,354.70 × 889,206.60
  4. Step 4: Simplify right side
    1,487,569.80x = 1,984,135,326,181.02
  5. Step 5: Solve for x
    x = 1,984,135,326,181.02/1,487,569.80
  6. Step 6: Final answer
    x = 1,333,809.90

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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.