Finding the Fourth Proportional to 1,184,487.30, 1,634,587.29 and 640,623.74
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Solution
The fourth proportional to 1,184,487.30, 1,634,587.29 and 640,623.74 is: 884,057.95
Step by Step Solution
- Step 1: Write the proportion equation
1,184,487.30 : 1,634,587.29 = 640,623.74 : x - Step 2: Convert to fraction form
1,184,487.30/1,634,587.29 = 640,623.74/x - Step 3: Cross multiply
1,184,487.30x = 1,634,587.29 × 640,623.74 - Step 4: Simplify right side
1,184,487.30x = 1,047,155,414,903.33 - Step 5: Solve for x
x = 1,047,155,414,903.33/1,184,487.30 - Step 6: Final answer
x = 884,057.95
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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.