Finding the Fourth Proportional to 1,138,705.70, 1,570,395.94 and 944,806.28
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Solution
The fourth proportional to 1,138,705.70, 1,570,395.94 and 944,806.28 is: 1,302,988.07
Step by Step Solution
- Step 1: Write the proportion equation
1,138,705.70 : 1,570,395.94 = 944,806.28 : x - Step 2: Convert to fraction form
1,138,705.70/1,570,395.94 = 944,806.28/x - Step 3: Cross multiply
1,138,705.70x = 1,570,395.94 × 944,806.28 - Step 4: Simplify right side
1,138,705.70x = 1,483,719,935,984.51 - Step 5: Solve for x
x = 1,483,719,935,984.51/1,138,705.70 - Step 6: Final answer
x = 1,302,988.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.