Home / 1,021,018.35-1,408,626.32-1,019,443.71

Finding the Fourth Proportional to 1,021,018.35, 1,408,626.32 and 1,019,443.71

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Solution

The fourth proportional to 1,021,018.35, 1,408,626.32 and 1,019,443.71 is: 1,406,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,018.35 : 1,408,626.32 = 1,019,443.71 : x
  2. Step 2: Convert to fraction form
    1,021,018.35/1,408,626.32 = 1,019,443.71/x
  3. Step 3: Cross multiply
    1,021,018.35x = 1,408,626.32 × 1,019,443.71
  4. Step 4: Simplify right side
    1,021,018.35x = 1,436,015,236,567.23
  5. Step 5: Solve for x
    x = 1,436,015,236,567.23/1,021,018.35
  6. Step 6: Final answer
    x = 1,406,453.90

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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.