Home / 1,880,637.65-2,818,987.79-787,049.07

Finding the Fourth Proportional to 1,880,637.65, 2,818,987.79 and 787,049.07

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Solution

The fourth proportional to 1,880,637.65, 2,818,987.79 and 787,049.07 is: 1,179,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,637.65 : 2,818,987.79 = 787,049.07 : x
  2. Step 2: Convert to fraction form
    1,880,637.65/2,818,987.79 = 787,049.07/x
  3. Step 3: Cross multiply
    1,880,637.65x = 2,818,987.79 × 787,049.07
  4. Step 4: Simplify right side
    1,880,637.65x = 2,218,681,714,525.61
  5. Step 5: Solve for x
    x = 2,218,681,714,525.61/1,880,637.65
  6. Step 6: Final answer
    x = 1,179,749.71

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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.