Finding the Fourth Proportional to 1,239,543.53, 1,710,736.98 and 695,709.08
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Solution
The fourth proportional to 1,239,543.53, 1,710,736.98 and 695,709.08 is: 960,172.21
Step by Step Solution
- Step 1: Write the proportion equation
1,239,543.53 : 1,710,736.98 = 695,709.08 : x - Step 2: Convert to fraction form
1,239,543.53/1,710,736.98 = 695,709.08/x - Step 3: Cross multiply
1,239,543.53x = 1,710,736.98 × 695,709.08 - Step 4: Simplify right side
1,239,543.53x = 1,190,175,246,789.05 - Step 5: Solve for x
x = 1,190,175,246,789.05/1,239,543.53 - Step 6: Final answer
x = 960,172.21
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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.