Finding the Fourth Proportional to 1,077,129.72, 1,486,351.62 and 624,449.88
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Solution
The fourth proportional to 1,077,129.72, 1,486,351.62 and 624,449.88 is: 861,690.17
Step by Step Solution
- Step 1: Write the proportion equation
1,077,129.72 : 1,486,351.62 = 624,449.88 : x - Step 2: Convert to fraction form
1,077,129.72/1,486,351.62 = 624,449.88/x - Step 3: Cross multiply
1,077,129.72x = 1,486,351.62 × 624,449.88 - Step 4: Simplify right side
1,077,129.72x = 928,152,090,746.81 - Step 5: Solve for x
x = 928,152,090,746.81/1,077,129.72 - Step 6: Final answer
x = 861,690.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.