Home / 1,069,756.29-1,604,708.26-311,604.05

Finding the Fourth Proportional to 1,069,756.29, 1,604,708.26 and 311,604.05

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Solution

The fourth proportional to 1,069,756.29, 1,604,708.26 and 311,604.05 is: 467,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,756.29 : 1,604,708.26 = 311,604.05 : x
  2. Step 2: Convert to fraction form
    1,069,756.29/1,604,708.26 = 311,604.05/x
  3. Step 3: Cross multiply
    1,069,756.29x = 1,604,708.26 × 311,604.05
  4. Step 4: Simplify right side
    1,069,756.29x = 500,033,592,884.45
  5. Step 5: Solve for x
    x = 500,033,592,884.45/1,069,756.29
  6. Step 6: Final answer
    x = 467,427.58

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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.