Finding the Fourth Proportional to 1,242,191.06, 1,714,226.49 and 698,331.32
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Solution
The fourth proportional to 1,242,191.06, 1,714,226.49 and 698,331.32 is: 963,698.81
Step by Step Solution
- Step 1: Write the proportion equation
1,242,191.06 : 1,714,226.49 = 698,331.32 : x - Step 2: Convert to fraction form
1,242,191.06/1,714,226.49 = 698,331.32/x - Step 3: Cross multiply
1,242,191.06x = 1,714,226.49 × 698,331.32 - Step 4: Simplify right side
1,242,191.06x = 1,197,098,038,969.53 - Step 5: Solve for x
x = 1,197,098,038,969.53/1,242,191.06 - Step 6: Final answer
x = 963,698.81
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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.