Home / 1,209,735.20-1,813,825.20-500,045.60

Finding the Fourth Proportional to 1,209,735.20, 1,813,825.20 and 500,045.60

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Solution

The fourth proportional to 1,209,735.20, 1,813,825.20 and 500,045.60 is: 749,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,735.20 : 1,813,825.20 = 500,045.60 : x
  2. Step 2: Convert to fraction form
    1,209,735.20/1,813,825.20 = 500,045.60/x
  3. Step 3: Cross multiply
    1,209,735.20x = 1,813,825.20 × 500,045.60
  4. Step 4: Simplify right side
    1,209,735.20x = 906,995,310,429.12
  5. Step 5: Solve for x
    x = 906,995,310,429.12/1,209,735.20
  6. Step 6: Final answer
    x = 749,746.98

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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.