Home / 1,789,130-2,468,999.40-984,296.72

Finding the Fourth Proportional to 1,789,130, 2,468,999.40 and 984,296.72

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Solution

The fourth proportional to 1,789,130, 2,468,999.40 and 984,296.72 is: 1,358,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,130 : 2,468,999.40 = 984,296.72 : x
  2. Step 2: Convert to fraction form
    1,789,130/2,468,999.40 = 984,296.72/x
  3. Step 3: Cross multiply
    1,789,130x = 2,468,999.40 × 984,296.72
  4. Step 4: Simplify right side
    1,789,130x = 2,430,228,011,101.97
  5. Step 5: Solve for x
    x = 2,430,228,011,101.97/1,789,130
  6. Step 6: Final answer
    x = 1,358,329.47

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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.