Home / 1,510,938.76-2,266,496.97-431,368.33

Finding the Fourth Proportional to 1,510,938.76, 2,266,496.97 and 431,368.33

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Solution

The fourth proportional to 1,510,938.76, 2,266,496.97 and 431,368.33 is: 647,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,938.76 : 2,266,496.97 = 431,368.33 : x
  2. Step 2: Convert to fraction form
    1,510,938.76/2,266,496.97 = 431,368.33/x
  3. Step 3: Cross multiply
    1,510,938.76x = 2,266,496.97 × 431,368.33
  4. Step 4: Simplify right side
    1,510,938.76x = 977,695,012,898.96
  5. Step 5: Solve for x
    x = 977,695,012,898.96/1,510,938.76
  6. Step 6: Final answer
    x = 647,077.86

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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.