Home / 736,747.80-1,102,356.90-670,392.60

Finding the Fourth Proportional to 736,747.80, 1,102,356.90 and 670,392.60

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Solution

The fourth proportional to 736,747.80, 1,102,356.90 and 670,392.60 is: 1,003,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,747.80 : 1,102,356.90 = 670,392.60 : x
  2. Step 2: Convert to fraction form
    736,747.80/1,102,356.90 = 670,392.60/x
  3. Step 3: Cross multiply
    736,747.80x = 1,102,356.90 × 670,392.60
  4. Step 4: Simplify right side
    736,747.80x = 739,011,908,318.94
  5. Step 5: Solve for x
    x = 739,011,908,318.94/736,747.80
  6. Step 6: Final answer
    x = 1,003,073.11

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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.