Finding the Fourth Proportional to 1,408,254.95, 1,943,392.28 and 763,674.95
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Solution
The fourth proportional to 1,408,254.95, 1,943,392.28 and 763,674.95 is: 1,053,871.67
Step by Step Solution
- Step 1: Write the proportion equation
1,408,254.95 : 1,943,392.28 = 763,674.95 : x - Step 2: Convert to fraction form
1,408,254.95/1,943,392.28 = 763,674.95/x - Step 3: Cross multiply
1,408,254.95x = 1,943,392.28 × 763,674.95 - Step 4: Simplify right side
1,408,254.95x = 1,484,119,988,724.05 - Step 5: Solve for x
x = 1,484,119,988,724.05/1,408,254.95 - Step 6: Final answer
x = 1,053,871.67
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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.