Home / 1,686,291.46-2,529,441.51-689,019.46

Finding the Fourth Proportional to 1,686,291.46, 2,529,441.51 and 689,019.46

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Solution

The fourth proportional to 1,686,291.46, 2,529,441.51 and 689,019.46 is: 1,033,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,291.46 : 2,529,441.51 = 689,019.46 : x
  2. Step 2: Convert to fraction form
    1,686,291.46/2,529,441.51 = 689,019.46/x
  3. Step 3: Cross multiply
    1,686,291.46x = 2,529,441.51 × 689,019.46
  4. Step 4: Simplify right side
    1,686,291.46x = 1,742,834,423,321.78
  5. Step 5: Solve for x
    x = 1,742,834,423,321.78/1,686,291.46
  6. Step 6: Final answer
    x = 1,033,530.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.