Home / 1,678,770.90-2,316,706.38-914,824.26

Finding the Fourth Proportional to 1,678,770.90, 2,316,706.38 and 914,824.26

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Solution

The fourth proportional to 1,678,770.90, 2,316,706.38 and 914,824.26 is: 1,262,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,770.90 : 2,316,706.38 = 914,824.26 : x
  2. Step 2: Convert to fraction form
    1,678,770.90/2,316,706.38 = 914,824.26/x
  3. Step 3: Cross multiply
    1,678,770.90x = 2,316,706.38 × 914,824.26
  4. Step 4: Simplify right side
    1,678,770.90x = 2,119,379,199,720.78
  5. Step 5: Solve for x
    x = 2,119,379,199,720.78/1,678,770.90
  6. Step 6: Final answer
    x = 1,262,458.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.