Home / 1,382,786.40-2,074,471.20-583,656.60

Finding the Fourth Proportional to 1,382,786.40, 2,074,471.20 and 583,656.60

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Solution

The fourth proportional to 1,382,786.40, 2,074,471.20 and 583,656.60 is: 875,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,786.40 : 2,074,471.20 = 583,656.60 : x
  2. Step 2: Convert to fraction form
    1,382,786.40/2,074,471.20 = 583,656.60/x
  3. Step 3: Cross multiply
    1,382,786.40x = 2,074,471.20 × 583,656.60
  4. Step 4: Simplify right side
    1,382,786.40x = 1,210,778,807,389.92
  5. Step 5: Solve for x
    x = 1,210,778,807,389.92/1,382,786.40
  6. Step 6: Final answer
    x = 875,607.98

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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.