Finding the Fourth Proportional to 1,111,579.48, 1,533,980.68 and 602,281.84
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Solution
The fourth proportional to 1,111,579.48, 1,533,980.68 and 602,281.84 is: 831,149.48
Step by Step Solution
- Step 1: Write the proportion equation
1,111,579.48 : 1,533,980.68 = 602,281.84 : x - Step 2: Convert to fraction form
1,111,579.48/1,533,980.68 = 602,281.84/x - Step 3: Cross multiply
1,111,579.48x = 1,533,980.68 × 602,281.84 - Step 4: Simplify right side
1,111,579.48x = 923,888,706,474.85 - Step 5: Solve for x
x = 923,888,706,474.85/1,111,579.48 - Step 6: Final answer
x = 831,149.48
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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.