Home / 1,643,258.35-2,267,471.10-918,015.94

Finding the Fourth Proportional to 1,643,258.35, 2,267,471.10 and 918,015.94

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Solution

The fourth proportional to 1,643,258.35, 2,267,471.10 and 918,015.94 is: 1,266,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,258.35 : 2,267,471.10 = 918,015.94 : x
  2. Step 2: Convert to fraction form
    1,643,258.35/2,267,471.10 = 918,015.94/x
  3. Step 3: Cross multiply
    1,643,258.35x = 2,267,471.10 × 918,015.94
  4. Step 4: Simplify right side
    1,643,258.35x = 2,081,574,613,289.33
  5. Step 5: Solve for x
    x = 2,081,574,613,289.33/1,643,258.35
  6. Step 6: Final answer
    x = 1,266,736.06

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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.