Home / 1,779,823.14-2,669,706.43-431,996.90

Finding the Fourth Proportional to 1,779,823.14, 2,669,706.43 and 431,996.90

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Solution

The fourth proportional to 1,779,823.14, 2,669,706.43 and 431,996.90 is: 647,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,823.14 : 2,669,706.43 = 431,996.90 : x
  2. Step 2: Convert to fraction form
    1,779,823.14/2,669,706.43 = 431,996.90/x
  3. Step 3: Cross multiply
    1,779,823.14x = 2,669,706.43 × 431,996.90
  4. Step 4: Simplify right side
    1,779,823.14x = 1,153,304,901,670.07
  5. Step 5: Solve for x
    x = 1,153,304,901,670.07/1,779,823.14
  6. Step 6: Final answer
    x = 647,988.49

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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.