Finding the Fourth Proportional to 1,356,120.12, 1,871,533.24 and 752,508.12
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Solution
The fourth proportional to 1,356,120.12, 1,871,533.24 and 752,508.12 is: 1,038,509.74
Step by Step Solution
- Step 1: Write the proportion equation
1,356,120.12 : 1,871,533.24 = 752,508.12 : x - Step 2: Convert to fraction form
1,356,120.12/1,871,533.24 = 752,508.12/x - Step 3: Cross multiply
1,356,120.12x = 1,871,533.24 × 752,508.12 - Step 4: Simplify right side
1,356,120.12x = 1,408,343,959,949.91 - Step 5: Solve for x
x = 1,408,343,959,949.91/1,356,120.12 - Step 6: Final answer
x = 1,038,509.74
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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.