Home / 1,510,803.90-2,084,903.55-831,740.40

Finding the Fourth Proportional to 1,510,803.90, 2,084,903.55 and 831,740.40

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Solution

The fourth proportional to 1,510,803.90, 2,084,903.55 and 831,740.40 is: 1,147,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,803.90 : 2,084,903.55 = 831,740.40 : x
  2. Step 2: Convert to fraction form
    1,510,803.90/2,084,903.55 = 831,740.40/x
  3. Step 3: Cross multiply
    1,510,803.90x = 2,084,903.55 × 831,740.40
  4. Step 4: Simplify right side
    1,510,803.90x = 1,734,098,512,638.42
  5. Step 5: Solve for x
    x = 1,734,098,512,638.42/1,510,803.90
  6. Step 6: Final answer
    x = 1,147,798.54

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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.