Home / 1,283,470.70-1,770,670.47-739,315.04

Finding the Fourth Proportional to 1,283,470.70, 1,770,670.47 and 739,315.04

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Solution

The fourth proportional to 1,283,470.70, 1,770,670.47 and 739,315.04 is: 1,019,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,470.70 : 1,770,670.47 = 739,315.04 : x
  2. Step 2: Convert to fraction form
    1,283,470.70/1,770,670.47 = 739,315.04/x
  3. Step 3: Cross multiply
    1,283,470.70x = 1,770,670.47 × 739,315.04
  4. Step 4: Simplify right side
    1,283,470.70x = 1,309,083,300,501.52
  5. Step 5: Solve for x
    x = 1,309,083,300,501.52/1,283,470.70
  6. Step 6: Final answer
    x = 1,019,955.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.