Finding the Fourth Proportional to 1,030,856.68, 1,422,660.14 and 572,058.12
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Solution
The fourth proportional to 1,030,856.68, 1,422,660.14 and 572,058.12 is: 789,483.45
Step by Step Solution
- Step 1: Write the proportion equation
1,030,856.68 : 1,422,660.14 = 572,058.12 : x - Step 2: Convert to fraction form
1,030,856.68/1,422,660.14 = 572,058.12/x - Step 3: Cross multiply
1,030,856.68x = 1,422,660.14 × 572,058.12 - Step 4: Simplify right side
1,030,856.68x = 813,844,285,087.34 - Step 5: Solve for x
x = 813,844,285,087.34/1,030,856.68 - Step 6: Final answer
x = 789,483.45
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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.