Home / 1,285,674.90-1,927,200.15-752,921.70

Finding the Fourth Proportional to 1,285,674.90, 1,927,200.15 and 752,921.70

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Solution

The fourth proportional to 1,285,674.90, 1,927,200.15 and 752,921.70 is: 1,128,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,674.90 : 1,927,200.15 = 752,921.70 : x
  2. Step 2: Convert to fraction form
    1,285,674.90/1,927,200.15 = 752,921.70/x
  3. Step 3: Cross multiply
    1,285,674.90x = 1,927,200.15 × 752,921.70
  4. Step 4: Simplify right side
    1,285,674.90x = 1,451,030,813,178.26
  5. Step 5: Solve for x
    x = 1,451,030,813,178.26/1,285,674.90
  6. Step 6: Final answer
    x = 1,128,614.09

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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.