Home / 1,475,982.86-2,036,585.76-831,264.98

Finding the Fourth Proportional to 1,475,982.86, 2,036,585.76 and 831,264.98

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Solution

The fourth proportional to 1,475,982.86, 2,036,585.76 and 831,264.98 is: 1,146,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,982.86 : 2,036,585.76 = 831,264.98 : x
  2. Step 2: Convert to fraction form
    1,475,982.86/2,036,585.76 = 831,264.98/x
  3. Step 3: Cross multiply
    1,475,982.86x = 2,036,585.76 × 831,264.98
  4. Step 4: Simplify right side
    1,475,982.86x = 1,692,942,421,054.68
  5. Step 5: Solve for x
    x = 1,692,942,421,054.68/1,475,982.86
  6. Step 6: Final answer
    x = 1,146,993.28

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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.