Home / 1,284,880.08-1,926,572.88-486,223.20

Finding the Fourth Proportional to 1,284,880.08, 1,926,572.88 and 486,223.20

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Solution

The fourth proportional to 1,284,880.08, 1,926,572.88 and 486,223.20 is: 729,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,880.08 : 1,926,572.88 = 486,223.20 : x
  2. Step 2: Convert to fraction form
    1,284,880.08/1,926,572.88 = 486,223.20/x
  3. Step 3: Cross multiply
    1,284,880.08x = 1,926,572.88 × 486,223.20
  4. Step 4: Simplify right side
    1,284,880.08x = 936,744,430,746.82
  5. Step 5: Solve for x
    x = 936,744,430,746.82/1,284,880.08
  6. Step 6: Final answer
    x = 729,052.03

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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.