Home / 1,379,947.60-2,065,984.80-1,222,483.60

Finding the Fourth Proportional to 1,379,947.60, 2,065,984.80 and 1,222,483.60

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Solution

The fourth proportional to 1,379,947.60, 2,065,984.80 and 1,222,483.60 is: 1,830,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,947.60 : 2,065,984.80 = 1,222,483.60 : x
  2. Step 2: Convert to fraction form
    1,379,947.60/2,065,984.80 = 1,222,483.60/x
  3. Step 3: Cross multiply
    1,379,947.60x = 2,065,984.80 × 1,222,483.60
  4. Step 4: Simplify right side
    1,379,947.60x = 2,525,632,535,849.28
  5. Step 5: Solve for x
    x = 2,525,632,535,849.28/1,379,947.60
  6. Step 6: Final answer
    x = 1,830,238.00

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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.