Home / 1,490,786.64-2,057,749.92-846,635.76

Finding the Fourth Proportional to 1,490,786.64, 2,057,749.92 and 846,635.76

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Solution

The fourth proportional to 1,490,786.64, 2,057,749.92 and 846,635.76 is: 1,168,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,786.64 : 2,057,749.92 = 846,635.76 : x
  2. Step 2: Convert to fraction form
    1,490,786.64/2,057,749.92 = 846,635.76/x
  3. Step 3: Cross multiply
    1,490,786.64x = 2,057,749.92 × 846,635.76
  4. Step 4: Simplify right side
    1,490,786.64x = 1,742,164,667,409.14
  5. Step 5: Solve for x
    x = 1,742,164,667,409.14/1,490,786.64
  6. Step 6: Final answer
    x = 1,168,621.06

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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.