Finding the Fourth Proportional to 1,472,731.20, 2,210,263.20 and 574,603.20
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Solution
The fourth proportional to 1,472,731.20, 2,210,263.20 and 574,603.20 is: 862,359.88
Step by Step Solution
- Step 1: Write the proportion equation
1,472,731.20 : 2,210,263.20 = 574,603.20 : x - Step 2: Convert to fraction form
1,472,731.20/2,210,263.20 = 574,603.20/x - Step 3: Cross multiply
1,472,731.20x = 2,210,263.20 × 574,603.20 - Step 4: Simplify right side
1,472,731.20x = 1,270,024,307,562.24 - Step 5: Solve for x
x = 1,270,024,307,562.24/1,472,731.20 - Step 6: Final answer
x = 862,359.88
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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.