Home / 1,343,483.85-1,853,923.70-739,871.85

Finding the Fourth Proportional to 1,343,483.85, 1,853,923.70 and 739,871.85

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Solution

The fourth proportional to 1,343,483.85, 1,853,923.70 and 739,871.85 is: 1,020,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,483.85 : 1,853,923.70 = 739,871.85 : x
  2. Step 2: Convert to fraction form
    1,343,483.85/1,853,923.70 = 739,871.85/x
  3. Step 3: Cross multiply
    1,343,483.85x = 1,853,923.70 × 739,871.85
  4. Step 4: Simplify right side
    1,343,483.85x = 1,371,665,953,978.49
  5. Step 5: Solve for x
    x = 1,371,665,953,978.49/1,343,483.85
  6. Step 6: Final answer
    x = 1,020,976.88

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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.