Home / 1,247,330.19-1,721,315.46-674,370.39

Finding the Fourth Proportional to 1,247,330.19, 1,721,315.46 and 674,370.39

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Solution

The fourth proportional to 1,247,330.19, 1,721,315.46 and 674,370.39 is: 930,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,330.19 : 1,721,315.46 = 674,370.39 : x
  2. Step 2: Convert to fraction form
    1,247,330.19/1,721,315.46 = 674,370.39/x
  3. Step 3: Cross multiply
    1,247,330.19x = 1,721,315.46 × 674,370.39
  4. Step 4: Simplify right side
    1,247,330.19x = 1,160,804,178,073.23
  5. Step 5: Solve for x
    x = 1,160,804,178,073.23/1,247,330.19
  6. Step 6: Final answer
    x = 930,631.03

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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.