Finding the Fourth Proportional to 1,310,681.68, 1,808,378.76 and 737,688.40
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Solution
The fourth proportional to 1,310,681.68, 1,808,378.76 and 737,688.40 is: 1,017,806.27
Step by Step Solution
- Step 1: Write the proportion equation
1,310,681.68 : 1,808,378.76 = 737,688.40 : x - Step 2: Convert to fraction form
1,310,681.68/1,808,378.76 = 737,688.40/x - Step 3: Cross multiply
1,310,681.68x = 1,808,378.76 × 737,688.40 - Step 4: Simplify right side
1,310,681.68x = 1,334,020,034,058.38 - Step 5: Solve for x
x = 1,334,020,034,058.38/1,310,681.68 - Step 6: Final answer
x = 1,017,806.27
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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.