Finding the Fourth Proportional to 1,011,582.07, 1,395,966.74 and 552,686.76
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Solution
The fourth proportional to 1,011,582.07, 1,395,966.74 and 552,686.76 is: 762,698.70
Step by Step Solution
- Step 1: Write the proportion equation
1,011,582.07 : 1,395,966.74 = 552,686.76 : x - Step 2: Convert to fraction form
1,011,582.07/1,395,966.74 = 552,686.76/x - Step 3: Cross multiply
1,011,582.07x = 1,395,966.74 × 552,686.76 - Step 4: Simplify right side
1,011,582.07x = 771,532,331,834.93 - Step 5: Solve for x
x = 771,532,331,834.93/1,011,582.07 - Step 6: Final answer
x = 762,698.70
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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.