Finding the Fourth Proportional to 1,242,881.16, 1,863,140.58 and 792,337.56
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Solution
The fourth proportional to 1,242,881.16, 1,863,140.58 and 792,337.56 is: 1,187,753.35
Step by Step Solution
- Step 1: Write the proportion equation
1,242,881.16 : 1,863,140.58 = 792,337.56 : x - Step 2: Convert to fraction form
1,242,881.16/1,863,140.58 = 792,337.56/x - Step 3: Cross multiply
1,242,881.16x = 1,863,140.58 × 792,337.56 - Step 4: Simplify right side
1,242,881.16x = 1,476,236,261,094.19 - Step 5: Solve for x
x = 1,476,236,261,094.19/1,242,881.16 - Step 6: Final answer
x = 1,187,753.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.