Finding the Fourth Proportional to 1,352,566.83, 1,866,714.95 and 779,611.08
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Solution
The fourth proportional to 1,352,566.83, 1,866,714.95 and 779,611.08 is: 1,075,962.84
Step by Step Solution
- Step 1: Write the proportion equation
1,352,566.83 : 1,866,714.95 = 779,611.08 : x - Step 2: Convert to fraction form
1,352,566.83/1,866,714.95 = 779,611.08/x - Step 3: Cross multiply
1,352,566.83x = 1,866,714.95 × 779,611.08 - Step 4: Simplify right side
1,352,566.83x = 1,455,311,654,323.59 - Step 5: Solve for x
x = 1,455,311,654,323.59/1,352,566.83 - Step 6: Final answer
x = 1,075,962.84
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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.