Home / 1,510,248.64-2,084,157.84-831,200.80

Finding the Fourth Proportional to 1,510,248.64, 2,084,157.84 and 831,200.80

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Solution

The fourth proportional to 1,510,248.64, 2,084,157.84 and 831,200.80 is: 1,147,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,248.64 : 2,084,157.84 = 831,200.80 : x
  2. Step 2: Convert to fraction form
    1,510,248.64/2,084,157.84 = 831,200.80/x
  3. Step 3: Cross multiply
    1,510,248.64x = 2,084,157.84 × 831,200.80
  4. Step 4: Simplify right side
    1,510,248.64x = 1,732,353,663,934.27
  5. Step 5: Solve for x
    x = 1,732,353,663,934.27/1,510,248.64
  6. Step 6: Final answer
    x = 1,147,065.20

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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.