Finding the Fourth Proportional to 1,352,417.94, 1,866,359.70 and 740,560.95
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Solution
The fourth proportional to 1,352,417.94, 1,866,359.70 and 740,560.95 is: 1,021,986.67
Step by Step Solution
- Step 1: Write the proportion equation
1,352,417.94 : 1,866,359.70 = 740,560.95 : x - Step 2: Convert to fraction form
1,352,417.94/1,866,359.70 = 740,560.95/x - Step 3: Cross multiply
1,352,417.94x = 1,866,359.70 × 740,560.95 - Step 4: Simplify right side
1,352,417.94x = 1,382,153,112,473.71 - Step 5: Solve for x
x = 1,382,153,112,473.71/1,352,417.94 - Step 6: Final answer
x = 1,021,986.67
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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.