Home / 1,261,341.90-1,890,887.96-462,437.28

Finding the Fourth Proportional to 1,261,341.90, 1,890,887.96 and 462,437.28

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Solution

The fourth proportional to 1,261,341.90, 1,890,887.96 and 462,437.28 is: 693,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,341.90 : 1,890,887.96 = 462,437.28 : x
  2. Step 2: Convert to fraction form
    1,261,341.90/1,890,887.96 = 462,437.28/x
  3. Step 3: Cross multiply
    1,261,341.90x = 1,890,887.96 × 462,437.28
  4. Step 4: Simplify right side
    1,261,341.90x = 874,417,086,163.24
  5. Step 5: Solve for x
    x = 874,417,086,163.24/1,261,341.90
  6. Step 6: Final answer
    x = 693,243.51

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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.