Home / 1,095,389.60-1,640,319.60-719,376.80

Finding the Fourth Proportional to 1,095,389.60, 1,640,319.60 and 719,376.80

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Solution

The fourth proportional to 1,095,389.60, 1,640,319.60 and 719,376.80 is: 1,077,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,389.60 : 1,640,319.60 = 719,376.80 : x
  2. Step 2: Convert to fraction form
    1,095,389.60/1,640,319.60 = 719,376.80/x
  3. Step 3: Cross multiply
    1,095,389.60x = 1,640,319.60 × 719,376.80
  4. Step 4: Simplify right side
    1,095,389.60x = 1,180,007,864,825.28
  5. Step 5: Solve for x
    x = 1,180,007,864,825.28/1,095,389.60
  6. Step 6: Final answer
    x = 1,077,249.47

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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.