Home / 1,262,526.48-1,742,286.55-689,568.02

Finding the Fourth Proportional to 1,262,526.48, 1,742,286.55 and 689,568.02

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Solution

The fourth proportional to 1,262,526.48, 1,742,286.55 and 689,568.02 is: 951,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,526.48 : 1,742,286.55 = 689,568.02 : x
  2. Step 2: Convert to fraction form
    1,262,526.48/1,742,286.55 = 689,568.02/x
  3. Step 3: Cross multiply
    1,262,526.48x = 1,742,286.55 × 689,568.02
  4. Step 4: Simplify right side
    1,262,526.48x = 1,201,425,086,556.13
  5. Step 5: Solve for x
    x = 1,201,425,086,556.13/1,262,526.48
  6. Step 6: Final answer
    x = 951,603.87

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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.