Finding the Fourth Proportional to 1,239,639.42, 1,710,715.09 and 695,764.32
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Solution
The fourth proportional to 1,239,639.42, 1,710,715.09 and 695,764.32 is: 960,161.88
Step by Step Solution
- Step 1: Write the proportion equation
1,239,639.42 : 1,710,715.09 = 695,764.32 : x - Step 2: Convert to fraction form
1,239,639.42/1,710,715.09 = 695,764.32/x - Step 3: Cross multiply
1,239,639.42x = 1,710,715.09 × 695,764.32 - Step 4: Simplify right side
1,239,639.42x = 1,190,254,521,307.59 - Step 5: Solve for x
x = 1,190,254,521,307.59/1,239,639.42 - Step 6: Final answer
x = 960,161.88
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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.