Home / 1,262,478.66-1,742,193.60-689,521.14

Finding the Fourth Proportional to 1,262,478.66, 1,742,193.60 and 689,521.14

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Solution

The fourth proportional to 1,262,478.66, 1,742,193.60 and 689,521.14 is: 951,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,478.66 : 1,742,193.60 = 689,521.14 : x
  2. Step 2: Convert to fraction form
    1,262,478.66/1,742,193.60 = 689,521.14/x
  3. Step 3: Cross multiply
    1,262,478.66x = 1,742,193.60 × 689,521.14
  4. Step 4: Simplify right side
    1,262,478.66x = 1,201,279,317,172.70
  5. Step 5: Solve for x
    x = 1,201,279,317,172.70/1,262,478.66
  6. Step 6: Final answer
    x = 951,524.45

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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.