Home / 1,239,955.80-1,859,933.70-925,027.80

Finding the Fourth Proportional to 1,239,955.80, 1,859,933.70 and 925,027.80

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Solution

The fourth proportional to 1,239,955.80, 1,859,933.70 and 925,027.80 is: 1,387,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,955.80 : 1,859,933.70 = 925,027.80 : x
  2. Step 2: Convert to fraction form
    1,239,955.80/1,859,933.70 = 925,027.80/x
  3. Step 3: Cross multiply
    1,239,955.80x = 1,859,933.70 × 925,027.80
  4. Step 4: Simplify right side
    1,239,955.80x = 1,720,490,378,656.86
  5. Step 5: Solve for x
    x = 1,720,490,378,656.86/1,239,955.80
  6. Step 6: Final answer
    x = 1,387,541.70

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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.