Home / 1,403,634.06-2,105,231.47-456,998.40

Finding the Fourth Proportional to 1,403,634.06, 2,105,231.47 and 456,998.40

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Solution

The fourth proportional to 1,403,634.06, 2,105,231.47 and 456,998.40 is: 685,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,634.06 : 2,105,231.47 = 456,998.40 : x
  2. Step 2: Convert to fraction form
    1,403,634.06/2,105,231.47 = 456,998.40/x
  3. Step 3: Cross multiply
    1,403,634.06x = 2,105,231.47 × 456,998.40
  4. Step 4: Simplify right side
    1,403,634.06x = 962,087,412,277.15
  5. Step 5: Solve for x
    x = 962,087,412,277.15/1,403,634.06
  6. Step 6: Final answer
    x = 685,426.09

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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.