Home / 1,273,330.50-1,757,445.71-729,830.63

Finding the Fourth Proportional to 1,273,330.50, 1,757,445.71 and 729,830.63

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Solution

The fourth proportional to 1,273,330.50, 1,757,445.71 and 729,830.63 is: 1,007,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,330.50 : 1,757,445.71 = 729,830.63 : x
  2. Step 2: Convert to fraction form
    1,273,330.50/1,757,445.71 = 729,830.63/x
  3. Step 3: Cross multiply
    1,273,330.50x = 1,757,445.71 × 729,830.63
  4. Step 4: Simplify right side
    1,273,330.50x = 1,282,637,697,283.72
  5. Step 5: Solve for x
    x = 1,282,637,697,283.72/1,273,330.50
  6. Step 6: Final answer
    x = 1,007,309.33

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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.