Finding the Fourth Proportional to 1,201,406.08, 1,657,276.32 and 771,749.76
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Solution
The fourth proportional to 1,201,406.08, 1,657,276.32 and 771,749.76 is: 1,064,588.09
Step by Step Solution
- Step 1: Write the proportion equation
1,201,406.08 : 1,657,276.32 = 771,749.76 : x - Step 2: Convert to fraction form
1,201,406.08/1,657,276.32 = 771,749.76/x - Step 3: Cross multiply
1,201,406.08x = 1,657,276.32 × 771,749.76 - Step 4: Simplify right side
1,201,406.08x = 1,279,002,602,213.68 - Step 5: Solve for x
x = 1,279,002,602,213.68/1,201,406.08 - Step 6: Final answer
x = 1,064,588.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.