Finding the Fourth Proportional to 1,590,780.62, 2,386,544.68 and 525,822.72
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Solution
The fourth proportional to 1,590,780.62, 2,386,544.68 and 525,822.72 is: 788,857.62
Step by Step Solution
- Step 1: Write the proportion equation
1,590,780.62 : 2,386,544.68 = 525,822.72 : x - Step 2: Convert to fraction form
1,590,780.62/2,386,544.68 = 525,822.72/x - Step 3: Cross multiply
1,590,780.62x = 2,386,544.68 × 525,822.72 - Step 4: Simplify right side
1,590,780.62x = 1,254,899,415,039.13 - Step 5: Solve for x
x = 1,254,899,415,039.13/1,590,780.62 - Step 6: Final answer
x = 788,857.62
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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.