Home / 1,490,515.90-2,235,810.60-543,886.31

Finding the Fourth Proportional to 1,490,515.90, 2,235,810.60 and 543,886.31

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Solution

The fourth proportional to 1,490,515.90, 2,235,810.60 and 543,886.31 is: 815,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,515.90 : 2,235,810.60 = 543,886.31 : x
  2. Step 2: Convert to fraction form
    1,490,515.90/2,235,810.60 = 543,886.31/x
  3. Step 3: Cross multiply
    1,490,515.90x = 2,235,810.60 × 543,886.31
  4. Step 4: Simplify right side
    1,490,515.90x = 1,216,026,782,682.41
  5. Step 5: Solve for x
    x = 1,216,026,782,682.41/1,490,515.90
  6. Step 6: Final answer
    x = 815,842.88

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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.