Home / 1,125,870.60-1,690,034.70-628,206.60

Finding the Fourth Proportional to 1,125,870.60, 1,690,034.70 and 628,206.60

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Solution

The fourth proportional to 1,125,870.60, 1,690,034.70 and 628,206.60 is: 942,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,870.60 : 1,690,034.70 = 628,206.60 : x
  2. Step 2: Convert to fraction form
    1,125,870.60/1,690,034.70 = 628,206.60/x
  3. Step 3: Cross multiply
    1,125,870.60x = 1,690,034.70 × 628,206.60
  4. Step 4: Simplify right side
    1,125,870.60x = 1,061,690,952,769.02
  5. Step 5: Solve for x
    x = 1,061,690,952,769.02/1,125,870.60
  6. Step 6: Final answer
    x = 942,995.54

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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.