Home / 1,239,948.30-1,859,922.45-925,020.30

Finding the Fourth Proportional to 1,239,948.30, 1,859,922.45 and 925,020.30

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Solution

The fourth proportional to 1,239,948.30, 1,859,922.45 and 925,020.30 is: 1,387,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,948.30 : 1,859,922.45 = 925,020.30 : x
  2. Step 2: Convert to fraction form
    1,239,948.30/1,859,922.45 = 925,020.30/x
  3. Step 3: Cross multiply
    1,239,948.30x = 1,859,922.45 × 925,020.30
  4. Step 4: Simplify right side
    1,239,948.30x = 1,720,466,022,675.74
  5. Step 5: Solve for x
    x = 1,720,466,022,675.74/1,239,948.30
  6. Step 6: Final answer
    x = 1,387,530.45

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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.