Home / 1,019,275.78-1,528,922.94-309,303.86

Finding the Fourth Proportional to 1,019,275.78, 1,528,922.94 and 309,303.86

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Solution

The fourth proportional to 1,019,275.78, 1,528,922.94 and 309,303.86 is: 463,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,275.78 : 1,528,922.94 = 309,303.86 : x
  2. Step 2: Convert to fraction form
    1,019,275.78/1,528,922.94 = 309,303.86/x
  3. Step 3: Cross multiply
    1,019,275.78x = 1,528,922.94 × 309,303.86
  4. Step 4: Simplify right side
    1,019,275.78x = 472,901,766,984.55
  5. Step 5: Solve for x
    x = 472,901,766,984.55/1,019,275.78
  6. Step 6: Final answer
    x = 463,958.60

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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.