Finding the Fourth Proportional to 1,153,117.96, 1,729,683.08 and 756,271.79
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Solution
The fourth proportional to 1,153,117.96, 1,729,683.08 and 756,271.79 is: 1,134,411.71
Step by Step Solution
- Step 1: Write the proportion equation
1,153,117.96 : 1,729,683.08 = 756,271.79 : x - Step 2: Convert to fraction form
1,153,117.96/1,729,683.08 = 756,271.79/x - Step 3: Cross multiply
1,153,117.96x = 1,729,683.08 × 756,271.79 - Step 4: Simplify right side
1,153,117.96x = 1,308,110,515,936.87 - Step 5: Solve for x
x = 1,308,110,515,936.87/1,153,117.96 - Step 6: Final answer
x = 1,134,411.71
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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.