Home / 1,508,769.42-2,082,038.44-855,439.40

Finding the Fourth Proportional to 1,508,769.42, 2,082,038.44 and 855,439.40

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Solution

The fourth proportional to 1,508,769.42, 2,082,038.44 and 855,439.40 is: 1,180,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,769.42 : 2,082,038.44 = 855,439.40 : x
  2. Step 2: Convert to fraction form
    1,508,769.42/2,082,038.44 = 855,439.40/x
  3. Step 3: Cross multiply
    1,508,769.42x = 2,082,038.44 × 855,439.40
  4. Step 4: Simplify right side
    1,508,769.42x = 1,781,057,713,890.54
  5. Step 5: Solve for x
    x = 1,781,057,713,890.54/1,508,769.42
  6. Step 6: Final answer
    x = 1,180,470.45

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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.