Home / 1,869,085.74-2,803,628.30-449,141.82

Finding the Fourth Proportional to 1,869,085.74, 2,803,628.30 and 449,141.82

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Solution

The fourth proportional to 1,869,085.74, 2,803,628.30 and 449,141.82 is: 673,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,085.74 : 2,803,628.30 = 449,141.82 : x
  2. Step 2: Convert to fraction form
    1,869,085.74/2,803,628.30 = 449,141.82/x
  3. Step 3: Cross multiply
    1,869,085.74x = 2,803,628.30 × 449,141.82
  4. Step 4: Simplify right side
    1,869,085.74x = 1,259,226,717,265.51
  5. Step 5: Solve for x
    x = 1,259,226,717,265.51/1,869,085.74
  6. Step 6: Final answer
    x = 673,712.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.