Finding the Fourth Proportional to 1,310,701.19, 1,808,402.13 and 845,358.16
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Solution
The fourth proportional to 1,310,701.19, 1,808,402.13 and 845,358.16 is: 1,166,358.52
Step by Step Solution
- Step 1: Write the proportion equation
1,310,701.19 : 1,808,402.13 = 845,358.16 : x - Step 2: Convert to fraction form
1,310,701.19/1,808,402.13 = 845,358.16/x - Step 3: Cross multiply
1,310,701.19x = 1,808,402.13 × 845,358.16 - Step 4: Simplify right side
1,310,701.19x = 1,528,747,497,156.88 - Step 5: Solve for x
x = 1,528,747,497,156.88/1,310,701.19 - Step 6: Final answer
x = 1,166,358.52
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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.