Home / 1,069,345.79-1,604,092.50-311,193.54

Finding the Fourth Proportional to 1,069,345.79, 1,604,092.50 and 311,193.54

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Solution

The fourth proportional to 1,069,345.79, 1,604,092.50 and 311,193.54 is: 466,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,345.79 : 1,604,092.50 = 311,193.54 : x
  2. Step 2: Convert to fraction form
    1,069,345.79/1,604,092.50 = 311,193.54/x
  3. Step 3: Cross multiply
    1,069,345.79x = 1,604,092.50 × 311,193.54
  4. Step 4: Simplify right side
    1,069,345.79x = 499,183,223,562.45
  5. Step 5: Solve for x
    x = 499,183,223,562.45/1,069,345.79
  6. Step 6: Final answer
    x = 466,811.79

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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.