Home / 1,408,128-2,110,325.76-1,172,981.76

Finding the Fourth Proportional to 1,408,128, 2,110,325.76 and 1,172,981.76

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Solution

The fourth proportional to 1,408,128, 2,110,325.76 and 1,172,981.76 is: 1,757,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,128 : 2,110,325.76 = 1,172,981.76 : x
  2. Step 2: Convert to fraction form
    1,408,128/2,110,325.76 = 1,172,981.76/x
  3. Step 3: Cross multiply
    1,408,128x = 2,110,325.76 × 1,172,981.76
  4. Step 4: Simplify right side
    1,408,128x = 2,475,373,624,138.14
  5. Step 5: Solve for x
    x = 2,475,373,624,138.14/1,408,128
  6. Step 6: Final answer
    x = 1,757,918.05

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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.