Finding the Fourth Proportional to 1,130,386.80, 1,699,516.80 and 957,176.40
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Solution
The fourth proportional to 1,130,386.80, 1,699,516.80 and 957,176.40 is: 1,439,097.99
Step by Step Solution
- Step 1: Write the proportion equation
1,130,386.80 : 1,699,516.80 = 957,176.40 : x - Step 2: Convert to fraction form
1,130,386.80/1,699,516.80 = 957,176.40/x - Step 3: Cross multiply
1,130,386.80x = 1,699,516.80 × 957,176.40 - Step 4: Simplify right side
1,130,386.80x = 1,626,737,372,363.52 - Step 5: Solve for x
x = 1,626,737,372,363.52/1,130,386.80 - Step 6: Final answer
x = 1,439,097.99
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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.