Finding the Fourth Proportional to 1,354,169.84, 1,868,727.66 and 742,323.92
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Solution
The fourth proportional to 1,354,169.84, 1,868,727.66 and 742,323.92 is: 1,024,392.36
Step by Step Solution
- Step 1: Write the proportion equation
1,354,169.84 : 1,868,727.66 = 742,323.92 : x - Step 2: Convert to fraction form
1,354,169.84/1,868,727.66 = 742,323.92/x - Step 3: Cross multiply
1,354,169.84x = 1,868,727.66 × 742,323.92 - Step 4: Simplify right side
1,354,169.84x = 1,387,201,241,983.63 - Step 5: Solve for x
x = 1,387,201,241,983.63/1,354,169.84 - Step 6: Final answer
x = 1,024,392.36
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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.