Finding the Fourth Proportional to 1,352,515.19, 1,866,448.34 and 732,315.36
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Solution
The fourth proportional to 1,352,515.19, 1,866,448.34 and 732,315.36 is: 1,010,582.95
Step by Step Solution
- Step 1: Write the proportion equation
1,352,515.19 : 1,866,448.34 = 732,315.36 : x - Step 2: Convert to fraction form
1,352,515.19/1,866,448.34 = 732,315.36/x - Step 3: Cross multiply
1,352,515.19x = 1,866,448.34 × 732,315.36 - Step 4: Simplify right side
1,352,515.19x = 1,366,828,785,673.15 - Step 5: Solve for x
x = 1,366,828,785,673.15/1,352,515.19 - Step 6: Final answer
x = 1,010,582.95
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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.