Finding the Fourth Proportional to 1,239,102.17, 1,709,990.48 and 695,278.18
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Solution
The fourth proportional to 1,239,102.17, 1,709,990.48 and 695,278.18 is: 959,500.43
Step by Step Solution
- Step 1: Write the proportion equation
1,239,102.17 : 1,709,990.48 = 695,278.18 : x - Step 2: Convert to fraction form
1,239,102.17/1,709,990.48 = 695,278.18/x - Step 3: Cross multiply
1,239,102.17x = 1,709,990.48 × 695,278.18 - Step 4: Simplify right side
1,239,102.17x = 1,188,919,071,975.59 - Step 5: Solve for x
x = 1,188,919,071,975.59/1,239,102.17 - Step 6: Final answer
x = 959,500.43
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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.