Finding the Fourth Proportional to 1,037,945.99, 1,432,121.45 and 630,037.69
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Solution
The fourth proportional to 1,037,945.99, 1,432,121.45 and 630,037.69 is: 869,303.88
Step by Step Solution
- Step 1: Write the proportion equation
1,037,945.99 : 1,432,121.45 = 630,037.69 : x - Step 2: Convert to fraction form
1,037,945.99/1,432,121.45 = 630,037.69/x - Step 3: Cross multiply
1,037,945.99x = 1,432,121.45 × 630,037.69 - Step 4: Simplify right side
1,037,945.99x = 902,290,483,426.96 - Step 5: Solve for x
x = 902,290,483,426.96/1,037,945.99 - Step 6: Final answer
x = 869,303.88
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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.