Finding the Fourth Proportional to 1,326,652.70, 1,830,551.20 and 782,747.42
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Solution
The fourth proportional to 1,326,652.70, 1,830,551.20 and 782,747.42 is: 1,080,056.01
Step by Step Solution
- Step 1: Write the proportion equation
1,326,652.70 : 1,830,551.20 = 782,747.42 : x - Step 2: Convert to fraction form
1,326,652.70/1,830,551.20 = 782,747.42/x - Step 3: Cross multiply
1,326,652.70x = 1,830,551.20 × 782,747.42 - Step 4: Simplify right side
1,326,652.70x = 1,432,859,217,868.28 - Step 5: Solve for x
x = 1,432,859,217,868.28/1,326,652.70 - Step 6: Final answer
x = 1,080,056.01
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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.