Home / 1,255,802.40-1,883,703.60-414,309.60

Finding the Fourth Proportional to 1,255,802.40, 1,883,703.60 and 414,309.60

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Solution

The fourth proportional to 1,255,802.40, 1,883,703.60 and 414,309.60 is: 621,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,802.40 : 1,883,703.60 = 414,309.60 : x
  2. Step 2: Convert to fraction form
    1,255,802.40/1,883,703.60 = 414,309.60/x
  3. Step 3: Cross multiply
    1,255,802.40x = 1,883,703.60 × 414,309.60
  4. Step 4: Simplify right side
    1,255,802.40x = 780,436,485,034.56
  5. Step 5: Solve for x
    x = 780,436,485,034.56/1,255,802.40
  6. Step 6: Final answer
    x = 621,464.40

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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.