Finding the Fourth Proportional to 1,577,730.80, 2,368,151.40 and 779,913.20
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Solution
The fourth proportional to 1,577,730.80, 2,368,151.40 and 779,913.20 is: 1,170,638.58
Step by Step Solution
- Step 1: Write the proportion equation
1,577,730.80 : 2,368,151.40 = 779,913.20 : x - Step 2: Convert to fraction form
1,577,730.80/2,368,151.40 = 779,913.20/x - Step 3: Cross multiply
1,577,730.80x = 2,368,151.40 × 779,913.20 - Step 4: Simplify right side
1,577,730.80x = 1,846,952,536,458.48 - Step 5: Solve for x
x = 1,846,952,536,458.48/1,577,730.80 - Step 6: Final answer
x = 1,170,638.58
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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.