Home / 1,564,371.63-2,158,863.44-1,020,855.15

Finding the Fourth Proportional to 1,564,371.63, 2,158,863.44 and 1,020,855.15

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Solution

The fourth proportional to 1,564,371.63, 2,158,863.44 and 1,020,855.15 is: 1,408,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,371.63 : 2,158,863.44 = 1,020,855.15 : x
  2. Step 2: Convert to fraction form
    1,564,371.63/2,158,863.44 = 1,020,855.15/x
  3. Step 3: Cross multiply
    1,564,371.63x = 2,158,863.44 × 1,020,855.15
  4. Step 4: Simplify right side
    1,564,371.63x = 2,203,886,855,766.44
  5. Step 5: Solve for x
    x = 2,203,886,855,766.44/1,564,371.63
  6. Step 6: Final answer
    x = 1,408,800.07

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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.