Finding the Fourth Proportional to 1,239,561.36, 1,710,628.74 and 695,730.96
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Solution
The fourth proportional to 1,239,561.36, 1,710,628.74 and 695,730.96 is: 960,127.84
Step by Step Solution
- Step 1: Write the proportion equation
1,239,561.36 : 1,710,628.74 = 695,730.96 : x - Step 2: Convert to fraction form
1,239,561.36/1,710,628.74 = 695,730.96/x - Step 3: Cross multiply
1,239,561.36x = 1,710,628.74 × 695,730.96 - Step 4: Simplify right side
1,239,561.36x = 1,190,137,375,483.79 - Step 5: Solve for x
x = 1,190,137,375,483.79/1,239,561.36 - Step 6: Final answer
x = 960,127.84
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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.