Finding the Fourth Proportional to 1,630,893.28, 2,442,615.36 and 778,564.48
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Solution
The fourth proportional to 1,630,893.28, 2,442,615.36 and 778,564.48 is: 1,166,068.67
Step by Step Solution
- Step 1: Write the proportion equation
1,630,893.28 : 2,442,615.36 = 778,564.48 : x - Step 2: Convert to fraction form
1,630,893.28/2,442,615.36 = 778,564.48/x - Step 3: Cross multiply
1,630,893.28x = 2,442,615.36 × 778,564.48 - Step 4: Simplify right side
1,630,893.28x = 1,901,733,557,598.41 - Step 5: Solve for x
x = 1,901,733,557,598.41/1,630,893.28 - Step 6: Final answer
x = 1,166,068.67
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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.