Finding the Fourth Proportional to 1,715,417.20, 2,573,125.80 and 770,633.20
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Solution
The fourth proportional to 1,715,417.20, 2,573,125.80 and 770,633.20 is: 1,155,949.80
Step by Step Solution
- Step 1: Write the proportion equation
1,715,417.20 : 2,573,125.80 = 770,633.20 : x - Step 2: Convert to fraction form
1,715,417.20/2,573,125.80 = 770,633.20/x - Step 3: Cross multiply
1,715,417.20x = 2,573,125.80 × 770,633.20 - Step 4: Simplify right side
1,715,417.20x = 1,982,936,169,256.56 - Step 5: Solve for x
x = 1,982,936,169,256.56/1,715,417.20 - Step 6: Final answer
x = 1,155,949.80
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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.