Finding the Fourth Proportional to 1,385,974, 1,912,644.12 and 750,070
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Solution
The fourth proportional to 1,385,974, 1,912,644.12 and 750,070 is: 1,035,096.60
Step by Step Solution
- Step 1: Write the proportion equation
1,385,974 : 1,912,644.12 = 750,070 : x - Step 2: Convert to fraction form
1,385,974/1,912,644.12 = 750,070/x - Step 3: Cross multiply
1,385,974x = 1,912,644.12 × 750,070 - Step 4: Simplify right side
1,385,974x = 1,434,616,975,088.40 - Step 5: Solve for x
x = 1,434,616,975,088.40/1,385,974 - Step 6: Final answer
x = 1,035,096.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.