Home / 1,784,878.40-2,463,117.78-969,065.90

Finding the Fourth Proportional to 1,784,878.40, 2,463,117.78 and 969,065.90

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Solution

The fourth proportional to 1,784,878.40, 2,463,117.78 and 969,065.90 is: 1,337,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,878.40 : 2,463,117.78 = 969,065.90 : x
  2. Step 2: Convert to fraction form
    1,784,878.40/2,463,117.78 = 969,065.90/x
  3. Step 3: Cross multiply
    1,784,878.40x = 2,463,117.78 × 969,065.90
  4. Step 4: Simplify right side
    1,784,878.40x = 2,386,923,448,281.70
  5. Step 5: Solve for x
    x = 2,386,923,448,281.70/1,784,878.40
  6. Step 6: Final answer
    x = 1,337,303.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.