Home / 1,285,208.40-1,926,500.40-752,455.20

Finding the Fourth Proportional to 1,285,208.40, 1,926,500.40 and 752,455.20

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Solution

The fourth proportional to 1,285,208.40, 1,926,500.40 and 752,455.20 is: 1,127,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,208.40 : 1,926,500.40 = 752,455.20 : x
  2. Step 2: Convert to fraction form
    1,285,208.40/1,926,500.40 = 752,455.20/x
  3. Step 3: Cross multiply
    1,285,208.40x = 1,926,500.40 × 752,455.20
  4. Step 4: Simplify right side
    1,285,208.40x = 1,449,605,243,782.08
  5. Step 5: Solve for x
    x = 1,449,605,243,782.08/1,285,208.40
  6. Step 6: Final answer
    x = 1,127,914.54

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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.