Home / 1,123,111.60-1,685,250.60-492,089.20

Finding the Fourth Proportional to 1,123,111.60, 1,685,250.60 and 492,089.20

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Solution

The fourth proportional to 1,123,111.60, 1,685,250.60 and 492,089.20 is: 738,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,111.60 : 1,685,250.60 = 492,089.20 : x
  2. Step 2: Convert to fraction form
    1,123,111.60/1,685,250.60 = 492,089.20/x
  3. Step 3: Cross multiply
    1,123,111.60x = 1,685,250.60 × 492,089.20
  4. Step 4: Simplify right side
    1,123,111.60x = 829,293,619,553.52
  5. Step 5: Solve for x
    x = 829,293,619,553.52/1,123,111.60
  6. Step 6: Final answer
    x = 738,389.33

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1.5x scale

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.