Finding the Fourth Proportional to 1,403,095.58, 2,103,989.09 and 728,995.66
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Solution
The fourth proportional to 1,403,095.58, 2,103,989.09 and 728,995.66 is: 1,093,153.55
Step by Step Solution
- Step 1: Write the proportion equation
1,403,095.58 : 2,103,989.09 = 728,995.66 : x - Step 2: Convert to fraction form
1,403,095.58/2,103,989.09 = 728,995.66/x - Step 3: Cross multiply
1,403,095.58x = 2,103,989.09 × 728,995.66 - Step 4: Simplify right side
1,403,095.58x = 1,533,798,915,297.35 - Step 5: Solve for x
x = 1,533,798,915,297.35/1,403,095.58 - Step 6: Final answer
x = 1,093,153.55
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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.