Home / 1,084,229.12-1,626,437.64-285,504.32

Finding the Fourth Proportional to 1,084,229.12, 1,626,437.64 and 285,504.32

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Solution

The fourth proportional to 1,084,229.12, 1,626,437.64 and 285,504.32 is: 428,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,229.12 : 1,626,437.64 = 285,504.32 : x
  2. Step 2: Convert to fraction form
    1,084,229.12/1,626,437.64 = 285,504.32/x
  3. Step 3: Cross multiply
    1,084,229.12x = 1,626,437.64 × 285,504.32
  4. Step 4: Simplify right side
    1,084,229.12x = 464,354,972,430.61
  5. Step 5: Solve for x
    x = 464,354,972,430.61/1,084,229.12
  6. Step 6: Final answer
    x = 428,281.22

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1.5x scale

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.