Home / 1,285,167.90-1,927,772.36-486,234.93

Finding the Fourth Proportional to 1,285,167.90, 1,927,772.36 and 486,234.93

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Solution

The fourth proportional to 1,285,167.90, 1,927,772.36 and 486,234.93 is: 729,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,167.90 : 1,927,772.36 = 486,234.93 : x
  2. Step 2: Convert to fraction form
    1,285,167.90/1,927,772.36 = 486,234.93/x
  3. Step 3: Cross multiply
    1,285,167.90x = 1,927,772.36 × 486,234.93
  4. Step 4: Simplify right side
    1,285,167.90x = 937,350,256,089.36
  5. Step 5: Solve for x
    x = 937,350,256,089.36/1,285,167.90
  6. Step 6: Final answer
    x = 729,360.15

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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.