Home / 939,163.64-1,294,607.76-575,913.92

Finding the Fourth Proportional to 939,163.64, 1,294,607.76 and 575,913.92

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Solution

The fourth proportional to 939,163.64, 1,294,607.76 and 575,913.92 is: 793,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,163.64 : 1,294,607.76 = 575,913.92 : x
  2. Step 2: Convert to fraction form
    939,163.64/1,294,607.76 = 575,913.92/x
  3. Step 3: Cross multiply
    939,163.64x = 1,294,607.76 × 575,913.92
  4. Step 4: Simplify right side
    939,163.64x = 745,582,629,924.02
  5. Step 5: Solve for x
    x = 745,582,629,924.02/939,163.64
  6. Step 6: Final answer
    x = 793,879.36

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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.