Finding the Fourth Proportional to 1,146,970.24, 1,582,729.28 and 637,641.60
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Solution
The fourth proportional to 1,146,970.24, 1,582,729.28 and 637,641.60 is: 879,895.57
Step by Step Solution
- Step 1: Write the proportion equation
1,146,970.24 : 1,582,729.28 = 637,641.60 : x - Step 2: Convert to fraction form
1,146,970.24/1,582,729.28 = 637,641.60/x - Step 3: Cross multiply
1,146,970.24x = 1,582,729.28 × 637,641.60 - Step 4: Simplify right side
1,146,970.24x = 1,009,214,030,466.05 - Step 5: Solve for x
x = 1,009,214,030,466.05/1,146,970.24 - Step 6: Final answer
x = 879,895.57
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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.