Finding the Fourth Proportional to 1,031,709.68, 1,423,764.96 and 572,831.36
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Solution
The fourth proportional to 1,031,709.68, 1,423,764.96 and 572,831.36 is: 790,510.39
Step by Step Solution
- Step 1: Write the proportion equation
1,031,709.68 : 1,423,764.96 = 572,831.36 : x - Step 2: Convert to fraction form
1,031,709.68/1,423,764.96 = 572,831.36/x - Step 3: Cross multiply
1,031,709.68x = 1,423,764.96 × 572,831.36 - Step 4: Simplify right side
1,031,709.68x = 815,577,218,357.15 - Step 5: Solve for x
x = 815,577,218,357.15/1,031,709.68 - Step 6: Final answer
x = 790,510.39
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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.