Finding the Fourth Proportional to 1,225,756.99, 1,690,853.48 and 735,601.15
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Solution
The fourth proportional to 1,225,756.99, 1,690,853.48 and 735,601.15 is: 1,014,714.80
Step by Step Solution
- Step 1: Write the proportion equation
1,225,756.99 : 1,690,853.48 = 735,601.15 : x - Step 2: Convert to fraction form
1,225,756.99/1,690,853.48 = 735,601.15/x - Step 3: Cross multiply
1,225,756.99x = 1,690,853.48 × 735,601.15 - Step 4: Simplify right side
1,225,756.99x = 1,243,793,764,369.50 - Step 5: Solve for x
x = 1,243,793,764,369.50/1,225,756.99 - Step 6: Final answer
x = 1,014,714.80
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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.