Home / 1,285,058.98-1,927,339.23-486,402.82

Finding the Fourth Proportional to 1,285,058.98, 1,927,339.23 and 486,402.82

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Solution

The fourth proportional to 1,285,058.98, 1,927,339.23 and 486,402.82 is: 729,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,058.98 : 1,927,339.23 = 486,402.82 : x
  2. Step 2: Convert to fraction form
    1,285,058.98/1,927,339.23 = 486,402.82/x
  3. Step 3: Cross multiply
    1,285,058.98x = 1,927,339.23 × 486,402.82
  4. Step 4: Simplify right side
    1,285,058.98x = 937,463,236,568.63
  5. Step 5: Solve for x
    x = 937,463,236,568.63/1,285,058.98
  6. Step 6: Final answer
    x = 729,509.89

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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.