Finding the Fourth Proportional to 1,122,070.52, 1,683,941.74 and 823,323.08
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Solution
The fourth proportional to 1,122,070.52, 1,683,941.74 and 823,323.08 is: 1,235,598.01
Step by Step Solution
- Step 1: Write the proportion equation
1,122,070.52 : 1,683,941.74 = 823,323.08 : x - Step 2: Convert to fraction form
1,122,070.52/1,683,941.74 = 823,323.08/x - Step 3: Cross multiply
1,122,070.52x = 1,683,941.74 × 823,323.08 - Step 4: Simplify right side
1,122,070.52x = 1,386,428,099,917.36 - Step 5: Solve for x
x = 1,386,428,099,917.36/1,122,070.52 - Step 6: Final answer
x = 1,235,598.01
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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.