Finding the Fourth Proportional to 1,201,178.24, 1,657,458.24 and 1,020,621.44
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Solution
The fourth proportional to 1,201,178.24, 1,657,458.24 and 1,020,621.44 is: 1,408,315.07
Step by Step Solution
- Step 1: Write the proportion equation
1,201,178.24 : 1,657,458.24 = 1,020,621.44 : x - Step 2: Convert to fraction form
1,201,178.24/1,657,458.24 = 1,020,621.44/x - Step 3: Cross multiply
1,201,178.24x = 1,657,458.24 × 1,020,621.44 - Step 4: Simplify right side
1,201,178.24x = 1,691,637,415,648.67 - Step 5: Solve for x
x = 1,691,637,415,648.67/1,201,178.24 - Step 6: Final answer
x = 1,408,315.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.