Finding the Fourth Proportional to 1,352,420.03, 1,866,339.64 and 779,497.11
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Solution
The fourth proportional to 1,352,420.03, 1,866,339.64 and 779,497.11 is: 1,075,706.01
Step by Step Solution
- Step 1: Write the proportion equation
1,352,420.03 : 1,866,339.64 = 779,497.11 : x - Step 2: Convert to fraction form
1,352,420.03/1,866,339.64 = 779,497.11/x - Step 3: Cross multiply
1,352,420.03x = 1,866,339.64 × 779,497.11 - Step 4: Simplify right side
1,352,420.03x = 1,454,806,355,658.44 - Step 5: Solve for x
x = 1,454,806,355,658.44/1,352,420.03 - Step 6: Final answer
x = 1,075,706.01
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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.