Home / 1,262,726.21-1,742,533.86-689,768.66

Finding the Fourth Proportional to 1,262,726.21, 1,742,533.86 and 689,768.66

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Solution

The fourth proportional to 1,262,726.21, 1,742,533.86 and 689,768.66 is: 951,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,726.21 : 1,742,533.86 = 689,768.66 : x
  2. Step 2: Convert to fraction form
    1,262,726.21/1,742,533.86 = 689,768.66/x
  3. Step 3: Cross multiply
    1,262,726.21x = 1,742,533.86 × 689,768.66
  4. Step 4: Simplify right side
    1,262,726.21x = 1,201,945,252,559.79
  5. Step 5: Solve for x
    x = 1,201,945,252,559.79/1,262,726.21
  6. Step 6: Final answer
    x = 951,865.29

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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.