Finding the Fourth Proportional to 1,163,346.42, 1,605,515.02 and 647,197.54
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Solution
The fourth proportional to 1,163,346.42, 1,605,515.02 and 647,197.54 is: 893,186.55
Step by Step Solution
- Step 1: Write the proportion equation
1,163,346.42 : 1,605,515.02 = 647,197.54 : x - Step 2: Convert to fraction form
1,163,346.42/1,605,515.02 = 647,197.54/x - Step 3: Cross multiply
1,163,346.42x = 1,605,515.02 × 647,197.54 - Step 4: Simplify right side
1,163,346.42x = 1,039,085,373,297.32 - Step 5: Solve for x
x = 1,039,085,373,297.32/1,163,346.42 - Step 6: Final answer
x = 893,186.55
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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.