Home / 1,370,561.36-1,891,389.62-758,724.35

Finding the Fourth Proportional to 1,370,561.36, 1,891,389.62 and 758,724.35

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Solution

The fourth proportional to 1,370,561.36, 1,891,389.62 and 758,724.35 is: 1,047,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,561.36 : 1,891,389.62 = 758,724.35 : x
  2. Step 2: Convert to fraction form
    1,370,561.36/1,891,389.62 = 758,724.35/x
  3. Step 3: Cross multiply
    1,370,561.36x = 1,891,389.62 × 758,724.35
  4. Step 4: Simplify right side
    1,370,561.36x = 1,435,043,352,471.11
  5. Step 5: Solve for x
    x = 1,435,043,352,471.11/1,370,561.36
  6. Step 6: Final answer
    x = 1,047,047.87

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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.