Home / 1,262,482.53-1,742,263.62-689,549.73

Finding the Fourth Proportional to 1,262,482.53, 1,742,263.62 and 689,549.73

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Solution

The fourth proportional to 1,262,482.53, 1,742,263.62 and 689,549.73 is: 951,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,482.53 : 1,742,263.62 = 689,549.73 : x
  2. Step 2: Convert to fraction form
    1,262,482.53/1,742,263.62 = 689,549.73/x
  3. Step 3: Cross multiply
    1,262,482.53x = 1,742,263.62 × 689,549.73
  4. Step 4: Simplify right side
    1,262,482.53x = 1,201,377,408,759.82
  5. Step 5: Solve for x
    x = 1,201,377,408,759.82/1,262,482.53
  6. Step 6: Final answer
    x = 951,599.23

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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.