Finding the Fourth Proportional to 1,165,772.35, 1,745,948.40 and 1,125,363.88
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Solution
The fourth proportional to 1,165,772.35, 1,745,948.40 and 1,125,363.88 is: 1,685,429.63
Step by Step Solution
- Step 1: Write the proportion equation
1,165,772.35 : 1,745,948.40 = 1,125,363.88 : x - Step 2: Convert to fraction form
1,165,772.35/1,745,948.40 = 1,125,363.88/x - Step 3: Cross multiply
1,165,772.35x = 1,745,948.40 × 1,125,363.88 - Step 4: Simplify right side
1,165,772.35x = 1,964,827,265,703.79 - Step 5: Solve for x
x = 1,964,827,265,703.79/1,165,772.35 - Step 6: Final answer
x = 1,685,429.63
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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.