Finding the Fourth Proportional to 1,332,909.03, 1,999,158.21 and 434,348.49
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Solution
The fourth proportional to 1,332,909.03, 1,999,158.21 and 434,348.49 is: 651,455.82
Step by Step Solution
- Step 1: Write the proportion equation
1,332,909.03 : 1,999,158.21 = 434,348.49 : x - Step 2: Convert to fraction form
1,332,909.03/1,999,158.21 = 434,348.49/x - Step 3: Cross multiply
1,332,909.03x = 1,999,158.21 × 434,348.49 - Step 4: Simplify right side
1,332,909.03x = 868,331,349,784.60 - Step 5: Solve for x
x = 868,331,349,784.60/1,332,909.03 - Step 6: Final answer
x = 651,455.82
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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.