Finding the Fourth Proportional to 1,249,799.10, 1,723,649.67 and 977,444.70
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Solution
The fourth proportional to 1,249,799.10, 1,723,649.67 and 977,444.70 is: 1,348,034.44
Step by Step Solution
- Step 1: Write the proportion equation
1,249,799.10 : 1,723,649.67 = 977,444.70 : x - Step 2: Convert to fraction form
1,249,799.10/1,723,649.67 = 977,444.70/x - Step 3: Cross multiply
1,249,799.10x = 1,723,649.67 × 977,444.70 - Step 4: Simplify right side
1,249,799.10x = 1,684,772,234,598.25 - Step 5: Solve for x
x = 1,684,772,234,598.25/1,249,799.10 - Step 6: Final answer
x = 1,348,034.44
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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.