Home / 1,790,687.19-2,686,322.39-528,642.39

Finding the Fourth Proportional to 1,790,687.19, 2,686,322.39 and 528,642.39

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Solution

The fourth proportional to 1,790,687.19, 2,686,322.39 and 528,642.39 is: 793,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,687.19 : 2,686,322.39 = 528,642.39 : x
  2. Step 2: Convert to fraction form
    1,790,687.19/2,686,322.39 = 528,642.39/x
  3. Step 3: Cross multiply
    1,790,687.19x = 2,686,322.39 × 528,642.39
  4. Step 4: Simplify right side
    1,790,687.19x = 1,420,103,885,916.90
  5. Step 5: Solve for x
    x = 1,420,103,885,916.90/1,790,687.19
  6. Step 6: Final answer
    x = 793,049.67

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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.