Finding the Fourth Proportional to 1,412,740.12, 2,119,547.58 and 489,574.60
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Solution
The fourth proportional to 1,412,740.12, 2,119,547.58 and 489,574.60 is: 734,513.48
Step by Step Solution
- Step 1: Write the proportion equation
1,412,740.12 : 2,119,547.58 = 489,574.60 : x - Step 2: Convert to fraction form
1,412,740.12/2,119,547.58 = 489,574.60/x - Step 3: Cross multiply
1,412,740.12x = 2,119,547.58 × 489,574.60 - Step 4: Simplify right side
1,412,740.12x = 1,037,676,658,659.47 - Step 5: Solve for x
x = 1,037,676,658,659.47/1,412,740.12 - Step 6: Final answer
x = 734,513.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.