Home / 1,510,077.90-2,083,907.86-831,014.40

Finding the Fourth Proportional to 1,510,077.90, 2,083,907.86 and 831,014.40

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Solution

The fourth proportional to 1,510,077.90, 2,083,907.86 and 831,014.40 is: 1,146,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,077.90 : 2,083,907.86 = 831,014.40 : x
  2. Step 2: Convert to fraction form
    1,510,077.90/2,083,907.86 = 831,014.40/x
  3. Step 3: Cross multiply
    1,510,077.90x = 2,083,907.86 × 831,014.40
  4. Step 4: Simplify right side
    1,510,077.90x = 1,731,757,439,933.18
  5. Step 5: Solve for x
    x = 1,731,757,439,933.18/1,510,077.90
  6. Step 6: Final answer
    x = 1,146,800.07

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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.