Finding the Fourth Proportional to 1,134,987.09, 1,566,292.70 and 625,707.69
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Solution
The fourth proportional to 1,134,987.09, 1,566,292.70 and 625,707.69 is: 863,482.41
Step by Step Solution
- Step 1: Write the proportion equation
1,134,987.09 : 1,566,292.70 = 625,707.69 : x - Step 2: Convert to fraction form
1,134,987.09/1,566,292.70 = 625,707.69/x - Step 3: Cross multiply
1,134,987.09x = 1,566,292.70 × 625,707.69 - Step 4: Simplify right side
1,134,987.09x = 980,041,384,052.33 - Step 5: Solve for x
x = 980,041,384,052.33/1,134,987.09 - Step 6: Final answer
x = 863,482.41
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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.