Finding the Fourth Proportional to 1,175,289.48, 1,763,432.28 and 642,187.68
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Solution
The fourth proportional to 1,175,289.48, 1,763,432.28 and 642,187.68 is: 963,553.66
Step by Step Solution
- Step 1: Write the proportion equation
1,175,289.48 : 1,763,432.28 = 642,187.68 : x - Step 2: Convert to fraction form
1,175,289.48/1,763,432.28 = 642,187.68/x - Step 3: Cross multiply
1,175,289.48x = 1,763,432.28 × 642,187.68 - Step 4: Simplify right side
1,175,289.48x = 1,132,454,484,730.31 - Step 5: Solve for x
x = 1,132,454,484,730.31/1,175,289.48 - Step 6: Final answer
x = 963,553.66
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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.