Home / 1,078,846.40-1,618,723.20-579,627.20

Finding the Fourth Proportional to 1,078,846.40, 1,618,723.20 and 579,627.20

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Solution

The fourth proportional to 1,078,846.40, 1,618,723.20 and 579,627.20 is: 869,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,846.40 : 1,618,723.20 = 579,627.20 : x
  2. Step 2: Convert to fraction form
    1,078,846.40/1,618,723.20 = 579,627.20/x
  3. Step 3: Cross multiply
    1,078,846.40x = 1,618,723.20 × 579,627.20
  4. Step 4: Simplify right side
    1,078,846.40x = 938,255,995,991.04
  5. Step 5: Solve for x
    x = 938,255,995,991.04/1,078,846.40
  6. Step 6: Final answer
    x = 869,684.50

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1.5x scale

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.