Home / 1,149,438.21-1,724,366.44-475,153.30

Finding the Fourth Proportional to 1,149,438.21, 1,724,366.44 and 475,153.30

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Solution

The fourth proportional to 1,149,438.21, 1,724,366.44 and 475,153.30 is: 712,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,438.21 : 1,724,366.44 = 475,153.30 : x
  2. Step 2: Convert to fraction form
    1,149,438.21/1,724,366.44 = 475,153.30/x
  3. Step 3: Cross multiply
    1,149,438.21x = 1,724,366.44 × 475,153.30
  4. Step 4: Simplify right side
    1,149,438.21x = 819,338,407,124.65
  5. Step 5: Solve for x
    x = 819,338,407,124.65/1,149,438.21
  6. Step 6: Final answer
    x = 712,816.40

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Double scale
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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.