Finding the Fourth Proportional to 1,142,479.68, 1,577,338.92 and 735,289.08
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Solution
The fourth proportional to 1,142,479.68, 1,577,338.92 and 735,289.08 is: 1,015,160.36
Step by Step Solution
- Step 1: Write the proportion equation
1,142,479.68 : 1,577,338.92 = 735,289.08 : x - Step 2: Convert to fraction form
1,142,479.68/1,577,338.92 = 735,289.08/x - Step 3: Cross multiply
1,142,479.68x = 1,577,338.92 × 735,289.08 - Step 4: Simplify right side
1,142,479.68x = 1,159,800,083,334.99 - Step 5: Solve for x
x = 1,159,800,083,334.99/1,142,479.68 - Step 6: Final answer
x = 1,015,160.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.