Finding the Fourth Proportional to 1,130,706.51, 1,560,738.62 and 723,904.01
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Solution
The fourth proportional to 1,130,706.51, 1,560,738.62 and 723,904.01 is: 999,220.34
Step by Step Solution
- Step 1: Write the proportion equation
1,130,706.51 : 1,560,738.62 = 723,904.01 : x - Step 2: Convert to fraction form
1,130,706.51/1,560,738.62 = 723,904.01/x - Step 3: Cross multiply
1,130,706.51x = 1,560,738.62 × 723,904.01 - Step 4: Simplify right side
1,130,706.51x = 1,129,824,941,733.19 - Step 5: Solve for x
x = 1,129,824,941,733.19/1,130,706.51 - Step 6: Final answer
x = 999,220.34
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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.