Home / 1,974,268.45-2,724,240-1,158,174.37

Finding the Fourth Proportional to 1,974,268.45, 2,724,240 and 1,158,174.37

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Solution

The fourth proportional to 1,974,268.45, 2,724,240 and 1,158,174.37 is: 1,598,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,268.45 : 2,724,240 = 1,158,174.37 : x
  2. Step 2: Convert to fraction form
    1,974,268.45/2,724,240 = 1,158,174.37/x
  3. Step 3: Cross multiply
    1,974,268.45x = 2,724,240 × 1,158,174.37
  4. Step 4: Simplify right side
    1,974,268.45x = 3,155,144,945,728.80
  5. Step 5: Solve for x
    x = 3,155,144,945,728.80/1,974,268.45
  6. Step 6: Final answer
    x = 1,598,133.70

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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.