Finding the Fourth Proportional to 1,276,889.24, 1,909,686.54 and 1,135,725.68
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Solution
The fourth proportional to 1,276,889.24, 1,909,686.54 and 1,135,725.68 is: 1,698,565.53
Step by Step Solution
- Step 1: Write the proportion equation
1,276,889.24 : 1,909,686.54 = 1,135,725.68 : x - Step 2: Convert to fraction form
1,276,889.24/1,909,686.54 = 1,135,725.68/x - Step 3: Cross multiply
1,276,889.24x = 1,909,686.54 × 1,135,725.68 - Step 4: Simplify right side
1,276,889.24x = 2,168,880,044,228.35 - Step 5: Solve for x
x = 2,168,880,044,228.35/1,276,889.24 - Step 6: Final answer
x = 1,698,565.53
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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.