Home / 1,301,673.80-1,948,709.10-928,425.80

Finding the Fourth Proportional to 1,301,673.80, 1,948,709.10 and 928,425.80

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Solution

The fourth proportional to 1,301,673.80, 1,948,709.10 and 928,425.80 is: 1,389,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,673.80 : 1,948,709.10 = 928,425.80 : x
  2. Step 2: Convert to fraction form
    1,301,673.80/1,948,709.10 = 928,425.80/x
  3. Step 3: Cross multiply
    1,301,673.80x = 1,948,709.10 × 928,425.80
  4. Step 4: Simplify right side
    1,301,673.80x = 1,809,231,805,134.78
  5. Step 5: Solve for x
    x = 1,809,231,805,134.78/1,301,673.80
  6. Step 6: Final answer
    x = 1,389,927.19

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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.