Finding the Fourth Proportional to 1,168,643.84, 1,612,730.05 and 659,393.60
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Solution
The fourth proportional to 1,168,643.84, 1,612,730.05 and 659,393.60 is: 909,964.04
Step by Step Solution
- Step 1: Write the proportion equation
1,168,643.84 : 1,612,730.05 = 659,393.60 : x - Step 2: Convert to fraction form
1,168,643.84/1,612,730.05 = 659,393.60/x - Step 3: Cross multiply
1,168,643.84x = 1,612,730.05 × 659,393.60 - Step 4: Simplify right side
1,168,643.84x = 1,063,423,863,785.55 - Step 5: Solve for x
x = 1,063,423,863,785.55/1,168,643.84 - Step 6: Final answer
x = 909,964.04
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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.