Finding the Fourth Proportional to 1,090,574.42, 1,504,963.36 and 607,139.62
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Solution
The fourth proportional to 1,090,574.42, 1,504,963.36 and 607,139.62 is: 837,836.34
Step by Step Solution
- Step 1: Write the proportion equation
1,090,574.42 : 1,504,963.36 = 607,139.62 : x - Step 2: Convert to fraction form
1,090,574.42/1,504,963.36 = 607,139.62/x - Step 3: Cross multiply
1,090,574.42x = 1,504,963.36 × 607,139.62 - Step 4: Simplify right side
1,090,574.42x = 913,722,882,504.32 - Step 5: Solve for x
x = 913,722,882,504.32/1,090,574.42 - Step 6: Final answer
x = 837,836.34
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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.