Finding the Fourth Proportional to 1,709,243.60, 2,562,261.60 and 645,000.80
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Solution
The fourth proportional to 1,709,243.60, 2,562,261.60 and 645,000.80 is: 966,895.99
Step by Step Solution
- Step 1: Write the proportion equation
1,709,243.60 : 2,562,261.60 = 645,000.80 : x - Step 2: Convert to fraction form
1,709,243.60/2,562,261.60 = 645,000.80/x - Step 3: Cross multiply
1,709,243.60x = 2,562,261.60 × 645,000.80 - Step 4: Simplify right side
1,709,243.60x = 1,652,660,781,809.28 - Step 5: Solve for x
x = 1,652,660,781,809.28/1,709,243.60 - Step 6: Final answer
x = 966,895.99
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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.