Finding the Fourth Proportional to 1,134,885.50, 1,566,129.24 and 618,628.08
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Solution
The fourth proportional to 1,134,885.50, 1,566,129.24 and 618,628.08 is: 853,699.81
Step by Step Solution
- Step 1: Write the proportion equation
1,134,885.50 : 1,566,129.24 = 618,628.08 : x - Step 2: Convert to fraction form
1,134,885.50/1,566,129.24 = 618,628.08/x - Step 3: Cross multiply
1,134,885.50x = 1,566,129.24 × 618,628.08 - Step 4: Simplify right side
1,134,885.50x = 968,851,530,646.04 - Step 5: Solve for x
x = 968,851,530,646.04/1,134,885.50 - Step 6: Final answer
x = 853,699.81
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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.