Home / 1,475,981.86-2,036,584.38-831,263.98

Finding the Fourth Proportional to 1,475,981.86, 2,036,584.38 and 831,263.98

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Solution

The fourth proportional to 1,475,981.86, 2,036,584.38 and 831,263.98 is: 1,146,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,981.86 : 2,036,584.38 = 831,263.98 : x
  2. Step 2: Convert to fraction form
    1,475,981.86/2,036,584.38 = 831,263.98/x
  3. Step 3: Cross multiply
    1,475,981.86x = 2,036,584.38 × 831,263.98
  4. Step 4: Simplify right side
    1,475,981.86x = 1,692,939,237,324.63
  5. Step 5: Solve for x
    x = 1,692,939,237,324.63/1,475,981.86
  6. Step 6: Final answer
    x = 1,146,991.90

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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.