Home / 1,792,246.40-2,688,844.80-780,934.40

Finding the Fourth Proportional to 1,792,246.40, 2,688,844.80 and 780,934.40

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Solution

The fourth proportional to 1,792,246.40, 2,688,844.80 and 780,934.40 is: 1,171,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,246.40 : 2,688,844.80 = 780,934.40 : x
  2. Step 2: Convert to fraction form
    1,792,246.40/2,688,844.80 = 780,934.40/x
  3. Step 3: Cross multiply
    1,792,246.40x = 2,688,844.80 × 780,934.40
  4. Step 4: Simplify right side
    1,792,246.40x = 2,099,811,400,581.12
  5. Step 5: Solve for x
    x = 2,099,811,400,581.12/1,792,246.40
  6. Step 6: Final answer
    x = 1,171,608.66

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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.