Finding the Fourth Proportional to 1,130,853.54, 1,696,362.66 and 420,881.34
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Solution
The fourth proportional to 1,130,853.54, 1,696,362.66 and 420,881.34 is: 631,352.66
Step by Step Solution
- Step 1: Write the proportion equation
1,130,853.54 : 1,696,362.66 = 420,881.34 : x - Step 2: Convert to fraction form
1,130,853.54/1,696,362.66 = 420,881.34/x - Step 3: Cross multiply
1,130,853.54x = 1,696,362.66 × 420,881.34 - Step 4: Simplify right side
1,130,853.54x = 713,967,389,466.76 - Step 5: Solve for x
x = 713,967,389,466.76/1,130,853.54 - Step 6: Final answer
x = 631,352.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.