Home / 1,301,806.80-1,948,908.60-928,558.80

Finding the Fourth Proportional to 1,301,806.80, 1,948,908.60 and 928,558.80

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Solution

The fourth proportional to 1,301,806.80, 1,948,908.60 and 928,558.80 is: 1,390,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,806.80 : 1,948,908.60 = 928,558.80 : x
  2. Step 2: Convert to fraction form
    1,301,806.80/1,948,908.60 = 928,558.80/x
  3. Step 3: Cross multiply
    1,301,806.80x = 1,948,908.60 × 928,558.80
  4. Step 4: Simplify right side
    1,301,806.80x = 1,809,676,230,925.68
  5. Step 5: Solve for x
    x = 1,809,676,230,925.68/1,301,806.80
  6. Step 6: Final answer
    x = 1,390,126.58

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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.