Finding the Fourth Proportional to 1,184,091, 1,634,036.06 and 687,420.99
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Solution
The fourth proportional to 1,184,091, 1,634,036.06 and 687,420.99 is: 948,635.44
Step by Step Solution
- Step 1: Write the proportion equation
1,184,091 : 1,634,036.06 = 687,420.99 : x - Step 2: Convert to fraction form
1,184,091/1,634,036.06 = 687,420.99/x - Step 3: Cross multiply
1,184,091x = 1,634,036.06 × 687,420.99 - Step 4: Simplify right side
1,184,091x = 1,123,270,686,060.90 - Step 5: Solve for x
x = 1,123,270,686,060.90/1,184,091 - Step 6: Final answer
x = 948,635.44
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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.