Finding the Fourth Proportional to 1,090,680.08, 1,636,767.46 and 380,708.06
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Solution
The fourth proportional to 1,090,680.08, 1,636,767.46 and 380,708.06 is: 571,322.95
Step by Step Solution
- Step 1: Write the proportion equation
1,090,680.08 : 1,636,767.46 = 380,708.06 : x - Step 2: Convert to fraction form
1,090,680.08/1,636,767.46 = 380,708.06/x - Step 3: Cross multiply
1,090,680.08x = 1,636,767.46 × 380,708.06 - Step 4: Simplify right side
1,090,680.08x = 623,130,564,367.73 - Step 5: Solve for x
x = 623,130,564,367.73/1,090,680.08 - Step 6: Final answer
x = 571,322.95
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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.