Home / 1,369,170.75-1,889,328.83-757,310.34

Finding the Fourth Proportional to 1,369,170.75, 1,889,328.83 and 757,310.34

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Solution

The fourth proportional to 1,369,170.75, 1,889,328.83 and 757,310.34 is: 1,045,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,170.75 : 1,889,328.83 = 757,310.34 : x
  2. Step 2: Convert to fraction form
    1,369,170.75/1,889,328.83 = 757,310.34/x
  3. Step 3: Cross multiply
    1,369,170.75x = 1,889,328.83 × 757,310.34
  4. Step 4: Simplify right side
    1,369,170.75x = 1,430,808,258,619.10
  5. Step 5: Solve for x
    x = 1,430,808,258,619.10/1,369,170.75
  6. Step 6: Final answer
    x = 1,045,018.13

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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.