Finding the Fourth Proportional to 1,331,448.60, 1,997,129.16 and 532,515.63
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Solution
The fourth proportional to 1,331,448.60, 1,997,129.16 and 532,515.63 is: 798,755.95
Step by Step Solution
- Step 1: Write the proportion equation
1,331,448.60 : 1,997,129.16 = 532,515.63 : x - Step 2: Convert to fraction form
1,331,448.60/1,997,129.16 = 532,515.63/x - Step 3: Cross multiply
1,331,448.60x = 1,997,129.16 × 532,515.63 - Step 4: Simplify right side
1,331,448.60x = 1,063,502,492,828.77 - Step 5: Solve for x
x = 1,063,502,492,828.77/1,331,448.60 - Step 6: Final answer
x = 798,755.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.