Finding the Fourth Proportional to 1,280,201.63, 1,766,700.95 and 707,207.63
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Solution
The fourth proportional to 1,280,201.63, 1,766,700.95 and 707,207.63 is: 975,959.06
Step by Step Solution
- Step 1: Write the proportion equation
1,280,201.63 : 1,766,700.95 = 707,207.63 : x - Step 2: Convert to fraction form
1,280,201.63/1,766,700.95 = 707,207.63/x - Step 3: Cross multiply
1,280,201.63x = 1,766,700.95 × 707,207.63 - Step 4: Simplify right side
1,280,201.63x = 1,249,424,379,398.71 - Step 5: Solve for x
x = 1,249,424,379,398.71/1,280,201.63 - Step 6: Final answer
x = 975,959.06
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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.