Home / 1,403,441.32-2,105,421.69-444,138.37

Finding the Fourth Proportional to 1,403,441.32, 2,105,421.69 and 444,138.37

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Solution

The fourth proportional to 1,403,441.32, 2,105,421.69 and 444,138.37 is: 666,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,441.32 : 2,105,421.69 = 444,138.37 : x
  2. Step 2: Convert to fraction form
    1,403,441.32/2,105,421.69 = 444,138.37/x
  3. Step 3: Cross multiply
    1,403,441.32x = 2,105,421.69 × 444,138.37
  4. Step 4: Simplify right side
    1,403,441.32x = 935,098,555,338.55
  5. Step 5: Solve for x
    x = 935,098,555,338.55/1,403,441.32
  6. Step 6: Final answer
    x = 666,289.74

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1.5x scale

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.