Home / 1,263,011.84-1,742,865.36-689,930.36

Finding the Fourth Proportional to 1,263,011.84, 1,742,865.36 and 689,930.36

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Solution

The fourth proportional to 1,263,011.84, 1,742,865.36 and 689,930.36 is: 952,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,011.84 : 1,742,865.36 = 689,930.36 : x
  2. Step 2: Convert to fraction form
    1,263,011.84/1,742,865.36 = 689,930.36/x
  3. Step 3: Cross multiply
    1,263,011.84x = 1,742,865.36 × 689,930.36
  4. Step 4: Simplify right side
    1,263,011.84x = 1,202,455,725,256.33
  5. Step 5: Solve for x
    x = 1,202,455,725,256.33/1,263,011.84
  6. Step 6: Final answer
    x = 952,054.20

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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.