Home / 1,289,496.96-1,933,740-757,152

Finding the Fourth Proportional to 1,289,496.96, 1,933,740 and 757,152

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Solution

The fourth proportional to 1,289,496.96, 1,933,740 and 757,152 is: 1,135,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,496.96 : 1,933,740 = 757,152 : x
  2. Step 2: Convert to fraction form
    1,289,496.96/1,933,740 = 757,152/x
  3. Step 3: Cross multiply
    1,289,496.96x = 1,933,740 × 757,152
  4. Step 4: Simplify right side
    1,289,496.96x = 1,464,135,108,480
  5. Step 5: Solve for x
    x = 1,464,135,108,480/1,289,496.96
  6. Step 6: Final answer
    x = 1,135,431.22

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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.