Finding the Fourth Proportional to 1,432,246.08, 1,976,506.74 and 787,707.48
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Solution
The fourth proportional to 1,432,246.08, 1,976,506.74 and 787,707.48 is: 1,087,040.25
Step by Step Solution
- Step 1: Write the proportion equation
1,432,246.08 : 1,976,506.74 = 787,707.48 : x - Step 2: Convert to fraction form
1,432,246.08/1,976,506.74 = 787,707.48/x - Step 3: Cross multiply
1,432,246.08x = 1,976,506.74 × 787,707.48 - Step 4: Simplify right side
1,432,246.08x = 1,556,909,143,368.42 - Step 5: Solve for x
x = 1,556,909,143,368.42/1,432,246.08 - Step 6: Final answer
x = 1,087,040.25
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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.