Home / 1,403,477.46-2,103,472.02-644,513.73

Finding the Fourth Proportional to 1,403,477.46, 2,103,472.02 and 644,513.73

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Solution

The fourth proportional to 1,403,477.46, 2,103,472.02 and 644,513.73 is: 965,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,477.46 : 2,103,472.02 = 644,513.73 : x
  2. Step 2: Convert to fraction form
    1,403,477.46/2,103,472.02 = 644,513.73/x
  3. Step 3: Cross multiply
    1,403,477.46x = 2,103,472.02 × 644,513.73
  4. Step 4: Simplify right side
    1,403,477.46x = 1,355,716,597,560.83
  5. Step 5: Solve for x
    x = 1,355,716,597,560.83/1,403,477.46
  6. Step 6: Final answer
    x = 965,969.63

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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.