Finding the Fourth Proportional to 1,130,719.49, 1,560,408.11 and 614,483.63
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Solution
The fourth proportional to 1,130,719.49, 1,560,408.11 and 614,483.63 is: 847,995.68
Step by Step Solution
- Step 1: Write the proportion equation
1,130,719.49 : 1,560,408.11 = 614,483.63 : x - Step 2: Convert to fraction form
1,130,719.49/1,560,408.11 = 614,483.63/x - Step 3: Cross multiply
1,130,719.49x = 1,560,408.11 × 614,483.63 - Step 4: Simplify right side
1,130,719.49x = 958,845,239,714.24 - Step 5: Solve for x
x = 958,845,239,714.24/1,130,719.49 - Step 6: Final answer
x = 847,995.68
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1.5x scale
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.