Home / 1,262,474.16-1,742,187.42-689,516.61

Finding the Fourth Proportional to 1,262,474.16, 1,742,187.42 and 689,516.61

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Solution

The fourth proportional to 1,262,474.16, 1,742,187.42 and 689,516.61 is: 951,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,474.16 : 1,742,187.42 = 689,516.61 : x
  2. Step 2: Convert to fraction form
    1,262,474.16/1,742,187.42 = 689,516.61/x
  3. Step 3: Cross multiply
    1,262,474.16x = 1,742,187.42 × 689,516.61
  4. Step 4: Simplify right side
    1,262,474.16x = 1,201,267,163,823.05
  5. Step 5: Solve for x
    x = 1,201,267,163,823.05/1,262,474.16
  6. Step 6: Final answer
    x = 951,518.22

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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.