Home / 1,155,705.30-1,733,039.55-445,497.30

Finding the Fourth Proportional to 1,155,705.30, 1,733,039.55 and 445,497.30

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Solution

The fourth proportional to 1,155,705.30, 1,733,039.55 and 445,497.30 is: 668,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,705.30 : 1,733,039.55 = 445,497.30 : x
  2. Step 2: Convert to fraction form
    1,155,705.30/1,733,039.55 = 445,497.30/x
  3. Step 3: Cross multiply
    1,155,705.30x = 1,733,039.55 × 445,497.30
  4. Step 4: Simplify right side
    1,155,705.30x = 772,064,440,318.22
  5. Step 5: Solve for x
    x = 772,064,440,318.22/1,155,705.30
  6. Step 6: Final answer
    x = 668,046.12

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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.