Finding the Fourth Proportional to 1,070,457.68, 1,477,370.76 and 703,251.92
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Solution
The fourth proportional to 1,070,457.68, 1,477,370.76 and 703,251.92 is: 970,579.07
Step by Step Solution
- Step 1: Write the proportion equation
1,070,457.68 : 1,477,370.76 = 703,251.92 : x - Step 2: Convert to fraction form
1,070,457.68/1,477,370.76 = 703,251.92/x - Step 3: Cross multiply
1,070,457.68x = 1,477,370.76 × 703,251.92 - Step 4: Simplify right side
1,070,457.68x = 1,038,963,823,521.86 - Step 5: Solve for x
x = 1,038,963,823,521.86/1,070,457.68 - Step 6: Final answer
x = 970,579.07
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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.