Home / 1,262,487.66-1,742,206.02-689,530.14

Finding the Fourth Proportional to 1,262,487.66, 1,742,206.02 and 689,530.14

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Solution

The fourth proportional to 1,262,487.66, 1,742,206.02 and 689,530.14 is: 951,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,487.66 : 1,742,206.02 = 689,530.14 : x
  2. Step 2: Convert to fraction form
    1,262,487.66/1,742,206.02 = 689,530.14/x
  3. Step 3: Cross multiply
    1,262,487.66x = 1,742,206.02 × 689,530.14
  4. Step 4: Simplify right side
    1,262,487.66x = 1,201,303,560,879.44
  5. Step 5: Solve for x
    x = 1,201,303,560,879.44/1,262,487.66
  6. Step 6: Final answer
    x = 951,536.87

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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.