Finding the Fourth Proportional to 1,299,509.84, 1,793,390.84 and 748,307.42
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Solution
The fourth proportional to 1,299,509.84, 1,793,390.84 and 748,307.42 is: 1,032,702.97
Step by Step Solution
- Step 1: Write the proportion equation
1,299,509.84 : 1,793,390.84 = 748,307.42 : x - Step 2: Convert to fraction form
1,299,509.84/1,793,390.84 = 748,307.42/x - Step 3: Cross multiply
1,299,509.84x = 1,793,390.84 × 748,307.42 - Step 4: Simplify right side
1,299,509.84x = 1,342,007,668,790.50 - Step 5: Solve for x
x = 1,342,007,668,790.50/1,299,509.84 - Step 6: Final answer
x = 1,032,702.97
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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.