Home / 1,437,221.32-2,155,206.14-412,325.48

Finding the Fourth Proportional to 1,437,221.32, 2,155,206.14 and 412,325.48

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Solution

The fourth proportional to 1,437,221.32, 2,155,206.14 and 412,325.48 is: 618,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,221.32 : 2,155,206.14 = 412,325.48 : x
  2. Step 2: Convert to fraction form
    1,437,221.32/2,155,206.14 = 412,325.48/x
  3. Step 3: Cross multiply
    1,437,221.32x = 2,155,206.14 × 412,325.48
  4. Step 4: Simplify right side
    1,437,221.32x = 888,646,406,174.45
  5. Step 5: Solve for x
    x = 888,646,406,174.45/1,437,221.32
  6. Step 6: Final answer
    x = 618,308.67

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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.