Home / 1,955,805.50-2,699,021.40-1,140,574.52

Finding the Fourth Proportional to 1,955,805.50, 2,699,021.40 and 1,140,574.52

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Solution

The fourth proportional to 1,955,805.50, 2,699,021.40 and 1,140,574.52 is: 1,573,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,805.50 : 2,699,021.40 = 1,140,574.52 : x
  2. Step 2: Convert to fraction form
    1,955,805.50/2,699,021.40 = 1,140,574.52/x
  3. Step 3: Cross multiply
    1,955,805.50x = 2,699,021.40 × 1,140,574.52
  4. Step 4: Simplify right side
    1,955,805.50x = 3,078,435,037,774.73
  5. Step 5: Solve for x
    x = 3,078,435,037,774.73/1,955,805.50
  6. Step 6: Final answer
    x = 1,573,998.56

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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.