Finding the Fourth Proportional to 1,068,963.99, 1,603,520.81 and 429,267.71
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Solution
The fourth proportional to 1,068,963.99, 1,603,520.81 and 429,267.71 is: 643,931.60
Step by Step Solution
- Step 1: Write the proportion equation
1,068,963.99 : 1,603,520.81 = 429,267.71 : x - Step 2: Convert to fraction form
1,068,963.99/1,603,520.81 = 429,267.71/x - Step 3: Cross multiply
1,068,963.99x = 1,603,520.81 × 429,267.71 - Step 4: Simplify right side
1,068,963.99x = 688,339,695,882.10 - Step 5: Solve for x
x = 688,339,695,882.10/1,068,963.99 - Step 6: Final answer
x = 643,931.60
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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.