Finding the Fourth Proportional to 1,026,129.59, 1,539,526.62 and 493,581.32
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Solution
The fourth proportional to 1,026,129.59, 1,539,526.62 and 493,581.32 is: 740,531.79
Step by Step Solution
- Step 1: Write the proportion equation
1,026,129.59 : 1,539,526.62 = 493,581.32 : x - Step 2: Convert to fraction form
1,026,129.59/1,539,526.62 = 493,581.32/x - Step 3: Cross multiply
1,026,129.59x = 1,539,526.62 × 493,581.32 - Step 4: Simplify right side
1,026,129.59x = 759,881,581,274.74 - Step 5: Solve for x
x = 759,881,581,274.74/1,026,129.59 - Step 6: Final answer
x = 740,531.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.