Home / 1,386,384.24-2,079,262-627,724.86

Finding the Fourth Proportional to 1,386,384.24, 2,079,262 and 627,724.86

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Solution

The fourth proportional to 1,386,384.24, 2,079,262 and 627,724.86 is: 941,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,384.24 : 2,079,262 = 627,724.86 : x
  2. Step 2: Convert to fraction form
    1,386,384.24/2,079,262 = 627,724.86/x
  3. Step 3: Cross multiply
    1,386,384.24x = 2,079,262 × 627,724.86
  4. Step 4: Simplify right side
    1,386,384.24x = 1,305,204,447,853.32
  5. Step 5: Solve for x
    x = 1,305,204,447,853.32/1,386,384.24
  6. Step 6: Final answer
    x = 941,444.95

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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.