Finding the Fourth Proportional to 1,130,226.03, 1,559,728.89 and 613,990.08
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Solution
The fourth proportional to 1,130,226.03, 1,559,728.89 and 613,990.08 is: 847,315.53
Step by Step Solution
- Step 1: Write the proportion equation
1,130,226.03 : 1,559,728.89 = 613,990.08 : x - Step 2: Convert to fraction form
1,130,226.03/1,559,728.89 = 613,990.08/x - Step 3: Cross multiply
1,130,226.03x = 1,559,728.89 × 613,990.08 - Step 4: Simplify right side
1,130,226.03x = 957,658,065,949.41 - Step 5: Solve for x
x = 957,658,065,949.41/1,130,226.03 - Step 6: Final answer
x = 847,315.53
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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.