Finding the Fourth Proportional to 1,317,279.24, 1,817,821.68 and 744,307.08
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Solution
The fourth proportional to 1,317,279.24, 1,817,821.68 and 744,307.08 is: 1,027,130.40
Step by Step Solution
- Step 1: Write the proportion equation
1,317,279.24 : 1,817,821.68 = 744,307.08 : x - Step 2: Convert to fraction form
1,317,279.24/1,817,821.68 = 744,307.08/x - Step 3: Cross multiply
1,317,279.24x = 1,817,821.68 × 744,307.08 - Step 4: Simplify right side
1,317,279.24x = 1,353,017,546,601.49 - Step 5: Solve for x
x = 1,353,017,546,601.49/1,317,279.24 - Step 6: Final answer
x = 1,027,130.40
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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.