Home / 1,307,453.28-1,961,281.98-508,673.40

Finding the Fourth Proportional to 1,307,453.28, 1,961,281.98 and 508,673.40

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Solution

The fourth proportional to 1,307,453.28, 1,961,281.98 and 508,673.40 is: 763,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,453.28 : 1,961,281.98 = 508,673.40 : x
  2. Step 2: Convert to fraction form
    1,307,453.28/1,961,281.98 = 508,673.40/x
  3. Step 3: Cross multiply
    1,307,453.28x = 1,961,281.98 × 508,673.40
  4. Step 4: Simplify right side
    1,307,453.28x = 997,651,973,125.33
  5. Step 5: Solve for x
    x = 997,651,973,125.33/1,307,453.28
  6. Step 6: Final answer
    x = 763,049.81

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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.