Finding the Fourth Proportional to 1,130,765.86, 1,696,398.81 and 372,576.70
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Solution
The fourth proportional to 1,130,765.86, 1,696,398.81 and 372,576.70 is: 558,947.43
Step by Step Solution
- Step 1: Write the proportion equation
1,130,765.86 : 1,696,398.81 = 372,576.70 : x - Step 2: Convert to fraction form
1,130,765.86/1,696,398.81 = 372,576.70/x - Step 3: Cross multiply
1,130,765.86x = 1,696,398.81 × 372,576.70 - Step 4: Simplify right side
1,130,765.86x = 632,038,670,513.73 - Step 5: Solve for x
x = 632,038,670,513.73/1,130,765.86 - Step 6: Final answer
x = 558,947.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.