Finding the Fourth Proportional to 1,241,303.60, 1,860,205.80 and 766,578.80
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Solution
The fourth proportional to 1,241,303.60, 1,860,205.80 and 766,578.80 is: 1,148,787.72
Step by Step Solution
- Step 1: Write the proportion equation
1,241,303.60 : 1,860,205.80 = 766,578.80 : x - Step 2: Convert to fraction form
1,241,303.60/1,860,205.80 = 766,578.80/x - Step 3: Cross multiply
1,241,303.60x = 1,860,205.80 × 766,578.80 - Step 4: Simplify right side
1,241,303.60x = 1,425,994,329,917.04 - Step 5: Solve for x
x = 1,425,994,329,917.04/1,241,303.60 - Step 6: Final answer
x = 1,148,787.72
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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.