Home / 1,262,327.30-1,742,025.53-689,384.33

Finding the Fourth Proportional to 1,262,327.30, 1,742,025.53 and 689,384.33

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Solution

The fourth proportional to 1,262,327.30, 1,742,025.53 and 689,384.33 is: 951,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,327.30 : 1,742,025.53 = 689,384.33 : x
  2. Step 2: Convert to fraction form
    1,262,327.30/1,742,025.53 = 689,384.33/x
  3. Step 3: Cross multiply
    1,262,327.30x = 1,742,025.53 × 689,384.33
  4. Step 4: Simplify right side
    1,262,327.30x = 1,200,925,102,841.94
  5. Step 5: Solve for x
    x = 1,200,925,102,841.94/1,262,327.30
  6. Step 6: Final answer
    x = 951,357.94

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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.