Finding the Fourth Proportional to 1,182,871.80, 1,774,927.35 and 543,368.70
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Solution
The fourth proportional to 1,182,871.80, 1,774,927.35 and 543,368.70 is: 815,337.69
Step by Step Solution
- Step 1: Write the proportion equation
1,182,871.80 : 1,774,927.35 = 543,368.70 : x - Step 2: Convert to fraction form
1,182,871.80/1,774,927.35 = 543,368.70/x - Step 3: Cross multiply
1,182,871.80x = 1,774,927.35 × 543,368.70 - Step 4: Simplify right side
1,182,871.80x = 964,439,966,763.95 - Step 5: Solve for x
x = 964,439,966,763.95/1,182,871.80 - Step 6: Final answer
x = 815,337.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.