Home / 1,019,273.70-1,528,919.73-309,301.71

Finding the Fourth Proportional to 1,019,273.70, 1,528,919.73 and 309,301.71

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Solution

The fourth proportional to 1,019,273.70, 1,528,919.73 and 309,301.71 is: 463,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,273.70 : 1,528,919.73 = 309,301.71 : x
  2. Step 2: Convert to fraction form
    1,019,273.70/1,528,919.73 = 309,301.71/x
  3. Step 3: Cross multiply
    1,019,273.70x = 1,528,919.73 × 309,301.71
  4. Step 4: Simplify right side
    1,019,273.70x = 472,897,486,941.74
  5. Step 5: Solve for x
    x = 472,897,486,941.74/1,019,273.70
  6. Step 6: Final answer
    x = 463,955.35

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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.