Finding the Fourth Proportional to 1,070,574.17, 1,605,352.77 and 621,432.81
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Solution
The fourth proportional to 1,070,574.17, 1,605,352.77 and 621,432.81 is: 931,854.06
Step by Step Solution
- Step 1: Write the proportion equation
1,070,574.17 : 1,605,352.77 = 621,432.81 : x - Step 2: Convert to fraction form
1,070,574.17/1,605,352.77 = 621,432.81/x - Step 3: Cross multiply
1,070,574.17x = 1,605,352.77 × 621,432.81 - Step 4: Simplify right side
1,070,574.17x = 997,618,882,902.38 - Step 5: Solve for x
x = 997,618,882,902.38/1,070,574.17 - Step 6: Final answer
x = 931,854.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.