Home / 1,123,769.60-1,686,237.60-492,747.20

Finding the Fourth Proportional to 1,123,769.60, 1,686,237.60 and 492,747.20

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Solution

The fourth proportional to 1,123,769.60, 1,686,237.60 and 492,747.20 is: 739,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,769.60 : 1,686,237.60 = 492,747.20 : x
  2. Step 2: Convert to fraction form
    1,123,769.60/1,686,237.60 = 492,747.20/x
  3. Step 3: Cross multiply
    1,123,769.60x = 1,686,237.60 × 492,747.20
  4. Step 4: Simplify right side
    1,123,769.60x = 830,888,855,934.72
  5. Step 5: Solve for x
    x = 830,888,855,934.72/1,123,769.60
  6. Step 6: Final answer
    x = 739,376.52

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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.