Home / 1,424,443.59-1,965,726.90-812,595.27

Finding the Fourth Proportional to 1,424,443.59, 1,965,726.90 and 812,595.27

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Solution

The fourth proportional to 1,424,443.59, 1,965,726.90 and 812,595.27 is: 1,121,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,443.59 : 1,965,726.90 = 812,595.27 : x
  2. Step 2: Convert to fraction form
    1,424,443.59/1,965,726.90 = 812,595.27/x
  3. Step 3: Cross multiply
    1,424,443.59x = 1,965,726.90 × 812,595.27
  4. Step 4: Simplify right side
    1,424,443.59x = 1,597,340,381,051.76
  5. Step 5: Solve for x
    x = 1,597,340,381,051.76/1,424,443.59
  6. Step 6: Final answer
    x = 1,121,378.48

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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.