Home / 1,508,764.34-2,082,031.41-855,434.32

Finding the Fourth Proportional to 1,508,764.34, 2,082,031.41 and 855,434.32

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Solution

The fourth proportional to 1,508,764.34, 2,082,031.41 and 855,434.32 is: 1,180,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,764.34 : 2,082,031.41 = 855,434.32 : x
  2. Step 2: Convert to fraction form
    1,508,764.34/2,082,031.41 = 855,434.32/x
  3. Step 3: Cross multiply
    1,508,764.34x = 2,082,031.41 × 855,434.32
  4. Step 4: Simplify right side
    1,508,764.34x = 1,781,041,117,530.98
  5. Step 5: Solve for x
    x = 1,781,041,117,530.98/1,508,764.34
  6. Step 6: Final answer
    x = 1,180,463.42

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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.