Home / 1,019,295.86-1,528,953.09-309,323.97

Finding the Fourth Proportional to 1,019,295.86, 1,528,953.09 and 309,323.97

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Solution

The fourth proportional to 1,019,295.86, 1,528,953.09 and 309,323.97 is: 463,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,295.86 : 1,528,953.09 = 309,323.97 : x
  2. Step 2: Convert to fraction form
    1,019,295.86/1,528,953.09 = 309,323.97/x
  3. Step 3: Cross multiply
    1,019,295.86x = 1,528,953.09 × 309,323.97
  4. Step 4: Simplify right side
    1,019,295.86x = 472,941,839,742.57
  5. Step 5: Solve for x
    x = 472,941,839,742.57/1,019,295.86
  6. Step 6: Final answer
    x = 463,988.78

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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.