Home / 1,307,713.13-1,961,806.85-538,783.84

Finding the Fourth Proportional to 1,307,713.13, 1,961,806.85 and 538,783.84

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Solution

The fourth proportional to 1,307,713.13, 1,961,806.85 and 538,783.84 is: 808,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,713.13 : 1,961,806.85 = 538,783.84 : x
  2. Step 2: Convert to fraction form
    1,307,713.13/1,961,806.85 = 538,783.84/x
  3. Step 3: Cross multiply
    1,307,713.13x = 1,961,806.85 × 538,783.84
  4. Step 4: Simplify right side
    1,307,713.13x = 1,056,989,825,287.38
  5. Step 5: Solve for x
    x = 1,056,989,825,287.38/1,307,713.13
  6. Step 6: Final answer
    x = 808,273.47

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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.