Home / 1,009,960.50-1,393,774.67-557,280.66

Finding the Fourth Proportional to 1,009,960.50, 1,393,774.67 and 557,280.66

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Solution

The fourth proportional to 1,009,960.50, 1,393,774.67 and 557,280.66 is: 769,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,960.50 : 1,393,774.67 = 557,280.66 : x
  2. Step 2: Convert to fraction form
    1,009,960.50/1,393,774.67 = 557,280.66/x
  3. Step 3: Cross multiply
    1,009,960.50x = 1,393,774.67 × 557,280.66
  4. Step 4: Simplify right side
    1,009,960.50x = 776,723,667,988.88
  5. Step 5: Solve for x
    x = 776,723,667,988.88/1,009,960.50
  6. Step 6: Final answer
    x = 769,063.41

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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.