Home / 1,535,307.20-2,119,589.60-1,064,664.80

Finding the Fourth Proportional to 1,535,307.20, 2,119,589.60 and 1,064,664.80

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Solution

The fourth proportional to 1,535,307.20, 2,119,589.60 and 1,064,664.80 is: 1,469,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,307.20 : 2,119,589.60 = 1,064,664.80 : x
  2. Step 2: Convert to fraction form
    1,535,307.20/2,119,589.60 = 1,064,664.80/x
  3. Step 3: Cross multiply
    1,535,307.20x = 2,119,589.60 × 1,064,664.80
  4. Step 4: Simplify right side
    1,535,307.20x = 2,256,652,437,566.08
  5. Step 5: Solve for x
    x = 2,256,652,437,566.08/1,535,307.20
  6. Step 6: Final answer
    x = 1,469,837.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.