Finding the Fourth Proportional to 1,085,434.74, 1,497,991.68 and 602,155.44
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Solution
The fourth proportional to 1,085,434.74, 1,497,991.68 and 602,155.44 is: 831,025.40
Step by Step Solution
- Step 1: Write the proportion equation
1,085,434.74 : 1,497,991.68 = 602,155.44 : x - Step 2: Convert to fraction form
1,085,434.74/1,497,991.68 = 602,155.44/x - Step 3: Cross multiply
1,085,434.74x = 1,497,991.68 × 602,155.44 - Step 4: Simplify right side
1,085,434.74x = 902,023,839,186.74 - Step 5: Solve for x
x = 902,023,839,186.74/1,085,434.74 - Step 6: Final answer
x = 831,025.40
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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.