Finding the Fourth Proportional to 1,130,828.74, 1,560,555.71 and 614,582.66
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Solution
The fourth proportional to 1,130,828.74, 1,560,555.71 and 614,582.66 is: 848,130.62
Step by Step Solution
- Step 1: Write the proportion equation
1,130,828.74 : 1,560,555.71 = 614,582.66 : x - Step 2: Convert to fraction form
1,130,828.74/1,560,555.71 = 614,582.66/x - Step 3: Cross multiply
1,130,828.74x = 1,560,555.71 × 614,582.66 - Step 4: Simplify right side
1,130,828.74x = 959,090,476,257.08 - Step 5: Solve for x
x = 959,090,476,257.08/1,130,828.74 - Step 6: Final answer
x = 848,130.62
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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.