Finding the Fourth Proportional to 1,178,118.84, 1,626,762.78 and 960,361.68
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Solution
The fourth proportional to 1,178,118.84, 1,626,762.78 and 960,361.68 is: 1,326,080.68
Step by Step Solution
- Step 1: Write the proportion equation
1,178,118.84 : 1,626,762.78 = 960,361.68 : x - Step 2: Convert to fraction form
1,178,118.84/1,626,762.78 = 960,361.68/x - Step 3: Cross multiply
1,178,118.84x = 1,626,762.78 × 960,361.68 - Step 4: Simplify right side
1,178,118.84x = 1,562,280,636,362.27 - Step 5: Solve for x
x = 1,562,280,636,362.27/1,178,118.84 - Step 6: Final answer
x = 1,326,080.68
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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.