Home / 1,273,347.05-1,757,210.54-722,167.70

Finding the Fourth Proportional to 1,273,347.05, 1,757,210.54 and 722,167.70

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Solution

The fourth proportional to 1,273,347.05, 1,757,210.54 and 722,167.70 is: 996,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,347.05 : 1,757,210.54 = 722,167.70 : x
  2. Step 2: Convert to fraction form
    1,273,347.05/1,757,210.54 = 722,167.70/x
  3. Step 3: Cross multiply
    1,273,347.05x = 1,757,210.54 × 722,167.70
  4. Step 4: Simplify right side
    1,273,347.05x = 1,269,000,681,690.67
  5. Step 5: Solve for x
    x = 1,269,000,681,690.67/1,273,347.05
  6. Step 6: Final answer
    x = 996,586.66

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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.