Home / 1,490,617.35-2,235,962.61-543,987.90

Finding the Fourth Proportional to 1,490,617.35, 2,235,962.61 and 543,987.90

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Solution

The fourth proportional to 1,490,617.35, 2,235,962.61 and 543,987.90 is: 815,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,617.35 : 2,235,962.61 = 543,987.90 : x
  2. Step 2: Convert to fraction form
    1,490,617.35/2,235,962.61 = 543,987.90/x
  3. Step 3: Cross multiply
    1,490,617.35x = 2,235,962.61 × 543,987.90
  4. Step 4: Simplify right side
    1,490,617.35x = 1,216,336,604,692.42
  5. Step 5: Solve for x
    x = 1,216,336,604,692.42/1,490,617.35
  6. Step 6: Final answer
    x = 815,995.20

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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.