Home / 1,268,054.57-1,902,109.53-763,038.00

Finding the Fourth Proportional to 1,268,054.57, 1,902,109.53 and 763,038.00

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Solution

The fourth proportional to 1,268,054.57, 1,902,109.53 and 763,038.00 is: 1,144,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,054.57 : 1,902,109.53 = 763,038.00 : x
  2. Step 2: Convert to fraction form
    1,268,054.57/1,902,109.53 = 763,038.00/x
  3. Step 3: Cross multiply
    1,268,054.57x = 1,902,109.53 × 763,038.00
  4. Step 4: Simplify right side
    1,268,054.57x = 1,451,381,849,063.85
  5. Step 5: Solve for x
    x = 1,451,381,849,063.85/1,268,054.57
  6. Step 6: Final answer
    x = 1,144,573.65

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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.