Finding the Fourth Proportional to 1,238,373.81, 1,708,968.24 and 694,497.93
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Solution
The fourth proportional to 1,238,373.81, 1,708,968.24 and 694,497.93 is: 958,414.08
Step by Step Solution
- Step 1: Write the proportion equation
1,238,373.81 : 1,708,968.24 = 694,497.93 : x - Step 2: Convert to fraction form
1,238,373.81/1,708,968.24 = 694,497.93/x - Step 3: Cross multiply
1,238,373.81x = 1,708,968.24 × 694,497.93 - Step 4: Simplify right side
1,238,373.81x = 1,186,874,898,307.15 - Step 5: Solve for x
x = 1,186,874,898,307.15/1,238,373.81 - Step 6: Final answer
x = 958,414.08
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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.