Finding the Fourth Proportional to 1,135,728.02, 1,567,323.42 and 619,482.08
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Solution
The fourth proportional to 1,135,728.02, 1,567,323.42 and 619,482.08 is: 854,895.50
Step by Step Solution
- Step 1: Write the proportion equation
1,135,728.02 : 1,567,323.42 = 619,482.08 : x - Step 2: Convert to fraction form
1,135,728.02/1,567,323.42 = 619,482.08/x - Step 3: Cross multiply
1,135,728.02x = 1,567,323.42 × 619,482.08 - Step 4: Simplify right side
1,135,728.02x = 970,928,772,254.31 - Step 5: Solve for x
x = 970,928,772,254.31/1,135,728.02 - Step 6: Final answer
x = 854,895.50
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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.