Home / 1,256,987.20-1,883,407.20-1,070,363.20

Finding the Fourth Proportional to 1,256,987.20, 1,883,407.20 and 1,070,363.20

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Solution

The fourth proportional to 1,256,987.20, 1,883,407.20 and 1,070,363.20 is: 1,603,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,987.20 : 1,883,407.20 = 1,070,363.20 : x
  2. Step 2: Convert to fraction form
    1,256,987.20/1,883,407.20 = 1,070,363.20/x
  3. Step 3: Cross multiply
    1,256,987.20x = 1,883,407.20 × 1,070,363.20
  4. Step 4: Simplify right side
    1,256,987.20x = 2,015,929,757,495.04
  5. Step 5: Solve for x
    x = 2,015,929,757,495.04/1,256,987.20
  6. Step 6: Final answer
    x = 1,603,779.07

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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.