Finding the Fourth Proportional to 1,084,959.09, 1,624,246.08 and 724,235.20
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Solution
The fourth proportional to 1,084,959.09, 1,624,246.08 and 724,235.20 is: 1,084,221.70
Step by Step Solution
- Step 1: Write the proportion equation
1,084,959.09 : 1,624,246.08 = 724,235.20 : x - Step 2: Convert to fraction form
1,084,959.09/1,624,246.08 = 724,235.20/x - Step 3: Cross multiply
1,084,959.09x = 1,624,246.08 × 724,235.20 - Step 4: Simplify right side
1,084,959.09x = 1,176,336,184,598.02 - Step 5: Solve for x
x = 1,176,336,184,598.02/1,084,959.09 - Step 6: Final answer
x = 1,084,221.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.