Home / 1,262,493.16-1,742,213.61-689,535.64

Finding the Fourth Proportional to 1,262,493.16, 1,742,213.61 and 689,535.64

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Solution

The fourth proportional to 1,262,493.16, 1,742,213.61 and 689,535.64 is: 951,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,493.16 : 1,742,213.61 = 689,535.64 : x
  2. Step 2: Convert to fraction form
    1,262,493.16/1,742,213.61 = 689,535.64/x
  3. Step 3: Cross multiply
    1,262,493.16x = 1,742,213.61 × 689,535.64
  4. Step 4: Simplify right side
    1,262,493.16x = 1,201,318,376,588.06
  5. Step 5: Solve for x
    x = 1,201,318,376,588.06/1,262,493.16
  6. Step 6: Final answer
    x = 951,544.46

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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.