Home / 1,303,225.28-1,798,449.72-722,485.52

Finding the Fourth Proportional to 1,303,225.28, 1,798,449.72 and 722,485.52

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Solution

The fourth proportional to 1,303,225.28, 1,798,449.72 and 722,485.52 is: 997,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,225.28 : 1,798,449.72 = 722,485.52 : x
  2. Step 2: Convert to fraction form
    1,303,225.28/1,798,449.72 = 722,485.52/x
  3. Step 3: Cross multiply
    1,303,225.28x = 1,798,449.72 × 722,485.52
  4. Step 4: Simplify right side
    1,303,225.28x = 1,299,353,881,148.05
  5. Step 5: Solve for x
    x = 1,299,353,881,148.05/1,303,225.28
  6. Step 6: Final answer
    x = 997,029.37

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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.