Finding the Fourth Proportional to 1,112,764.06, 1,667,239.26 and 747,340.66
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Solution
The fourth proportional to 1,112,764.06, 1,667,239.26 and 747,340.66 is: 1,119,730.35
Step by Step Solution
- Step 1: Write the proportion equation
1,112,764.06 : 1,667,239.26 = 747,340.66 : x - Step 2: Convert to fraction form
1,112,764.06/1,667,239.26 = 747,340.66/x - Step 3: Cross multiply
1,112,764.06x = 1,667,239.26 × 747,340.66 - Step 4: Simplify right side
1,112,764.06x = 1,245,995,688,946.31 - Step 5: Solve for x
x = 1,245,995,688,946.31/1,112,764.06 - Step 6: Final answer
x = 1,119,730.35
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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.