Home / 1,806,617.12-2,709,926.74-458,880.80

Finding the Fourth Proportional to 1,806,617.12, 2,709,926.74 and 458,880.80

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Solution

The fourth proportional to 1,806,617.12, 2,709,926.74 and 458,880.80 is: 688,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,617.12 : 2,709,926.74 = 458,880.80 : x
  2. Step 2: Convert to fraction form
    1,806,617.12/2,709,926.74 = 458,880.80/x
  3. Step 3: Cross multiply
    1,806,617.12x = 2,709,926.74 × 458,880.80
  4. Step 4: Simplify right side
    1,806,617.12x = 1,243,533,350,392.59
  5. Step 5: Solve for x
    x = 1,243,533,350,392.59/1,806,617.12
  6. Step 6: Final answer
    x = 688,321.47

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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.