Finding the Fourth Proportional to 1,166,888.18, 1,610,303.28 and 630,344.18
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Solution
The fourth proportional to 1,166,888.18, 1,610,303.28 and 630,344.18 is: 869,873.67
Step by Step Solution
- Step 1: Write the proportion equation
1,166,888.18 : 1,610,303.28 = 630,344.18 : x - Step 2: Convert to fraction form
1,166,888.18/1,610,303.28 = 630,344.18/x - Step 3: Cross multiply
1,166,888.18x = 1,610,303.28 × 630,344.18 - Step 4: Simplify right side
1,166,888.18x = 1,015,045,300,582.91 - Step 5: Solve for x
x = 1,015,045,300,582.91/1,166,888.18 - Step 6: Final answer
x = 869,873.67
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1.5x scale
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.