Finding the Fourth Proportional to 1,129,482.62, 1,693,726.56 and 530,613.98
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Solution
The fourth proportional to 1,129,482.62, 1,693,726.56 and 530,613.98 is: 795,687.31
Step by Step Solution
- Step 1: Write the proportion equation
1,129,482.62 : 1,693,726.56 = 530,613.98 : x - Step 2: Convert to fraction form
1,129,482.62/1,693,726.56 = 530,613.98/x - Step 3: Cross multiply
1,129,482.62x = 1,693,726.56 × 530,613.98 - Step 4: Simplify right side
1,129,482.62x = 898,714,991,033.31 - Step 5: Solve for x
x = 898,714,991,033.31/1,129,482.62 - Step 6: Final answer
x = 795,687.31
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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.