Finding the Fourth Proportional to 1,127,432.24, 1,555,637.36 and 668,462
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Solution
The fourth proportional to 1,127,432.24, 1,555,637.36 and 668,462 is: 922,347.64
Step by Step Solution
- Step 1: Write the proportion equation
1,127,432.24 : 1,555,637.36 = 668,462 : x - Step 2: Convert to fraction form
1,127,432.24/1,555,637.36 = 668,462/x - Step 3: Cross multiply
1,127,432.24x = 1,555,637.36 × 668,462 - Step 4: Simplify right side
1,127,432.24x = 1,039,884,460,940.32 - Step 5: Solve for x
x = 1,039,884,460,940.32/1,127,432.24 - Step 6: Final answer
x = 922,347.64
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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.