Finding the Fourth Proportional to 1,386,047.52, 2,079,070.74 and 521,644.68
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Solution
The fourth proportional to 1,386,047.52, 2,079,070.74 and 521,644.68 is: 782,466.82
Step by Step Solution
- Step 1: Write the proportion equation
1,386,047.52 : 2,079,070.74 = 521,644.68 : x - Step 2: Convert to fraction form
1,386,047.52/2,079,070.74 = 521,644.68/x - Step 3: Cross multiply
1,386,047.52x = 2,079,070.74 × 521,644.68 - Step 4: Simplify right side
1,386,047.52x = 1,084,536,190,864.66 - Step 5: Solve for x
x = 1,084,536,190,864.66/1,386,047.52 - Step 6: Final answer
x = 782,466.82
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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.