Home / 1,425,446.64-1,967,116.68-780,890.04

Finding the Fourth Proportional to 1,425,446.64, 1,967,116.68 and 780,890.04

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Solution

The fourth proportional to 1,425,446.64, 1,967,116.68 and 780,890.04 is: 1,077,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,446.64 : 1,967,116.68 = 780,890.04 : x
  2. Step 2: Convert to fraction form
    1,425,446.64/1,967,116.68 = 780,890.04/x
  3. Step 3: Cross multiply
    1,425,446.64x = 1,967,116.68 × 780,890.04
  4. Step 4: Simplify right side
    1,425,446.64x = 1,536,101,822,929.87
  5. Step 5: Solve for x
    x = 1,536,101,822,929.87/1,425,446.64
  6. Step 6: Final answer
    x = 1,077,628.43

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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.