Home / 1,256,945.38-1,885,435.62-358,387.45

Finding the Fourth Proportional to 1,256,945.38, 1,885,435.62 and 358,387.45

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Solution

The fourth proportional to 1,256,945.38, 1,885,435.62 and 358,387.45 is: 537,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,945.38 : 1,885,435.62 = 358,387.45 : x
  2. Step 2: Convert to fraction form
    1,256,945.38/1,885,435.62 = 358,387.45/x
  3. Step 3: Cross multiply
    1,256,945.38x = 1,885,435.62 × 358,387.45
  4. Step 4: Simplify right side
    1,256,945.38x = 675,716,463,990.97
  5. Step 5: Solve for x
    x = 675,716,463,990.97/1,256,945.38
  6. Step 6: Final answer
    x = 537,586.18

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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.