Home / 1,310,824.64-1,809,074.08-801,865.60

Finding the Fourth Proportional to 1,310,824.64, 1,809,074.08 and 801,865.60

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Solution

The fourth proportional to 1,310,824.64, 1,809,074.08 and 801,865.60 is: 1,106,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,824.64 : 1,809,074.08 = 801,865.60 : x
  2. Step 2: Convert to fraction form
    1,310,824.64/1,809,074.08 = 801,865.60/x
  3. Step 3: Cross multiply
    1,310,824.64x = 1,809,074.08 × 801,865.60
  4. Step 4: Simplify right side
    1,310,824.64x = 1,450,634,272,603.65
  5. Step 5: Solve for x
    x = 1,450,634,272,603.65/1,310,824.64
  6. Step 6: Final answer
    x = 1,106,657.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.