Finding the Fourth Proportional to 1,129,735.69, 1,559,033.33 and 620,438.06
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Solution
The fourth proportional to 1,129,735.69, 1,559,033.33 and 620,438.06 is: 856,203.47
Step by Step Solution
- Step 1: Write the proportion equation
1,129,735.69 : 1,559,033.33 = 620,438.06 : x - Step 2: Convert to fraction form
1,129,735.69/1,559,033.33 = 620,438.06/x - Step 3: Cross multiply
1,129,735.69x = 1,559,033.33 × 620,438.06 - Step 4: Simplify right side
1,129,735.69x = 967,283,615,535.93 - Step 5: Solve for x
x = 967,283,615,535.93/1,129,735.69 - Step 6: Final answer
x = 856,203.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.