Finding the Fourth Proportional to 1,332,100.08, 1,838,270.70 and 728,488.08
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Solution
The fourth proportional to 1,332,100.08, 1,838,270.70 and 728,488.08 is: 1,005,298.56
Step by Step Solution
- Step 1: Write the proportion equation
1,332,100.08 : 1,838,270.70 = 728,488.08 : x - Step 2: Convert to fraction form
1,332,100.08/1,838,270.70 = 728,488.08/x - Step 3: Cross multiply
1,332,100.08x = 1,838,270.70 × 728,488.08 - Step 4: Simplify right side
1,332,100.08x = 1,339,158,292,763.26 - Step 5: Solve for x
x = 1,339,158,292,763.26/1,332,100.08 - Step 6: Final answer
x = 1,005,298.56
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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.