Home / 1,586,990.28-2,380,175.40-507,213.18

Finding the Fourth Proportional to 1,586,990.28, 2,380,175.40 and 507,213.18

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Solution

The fourth proportional to 1,586,990.28, 2,380,175.40 and 507,213.18 is: 760,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,990.28 : 2,380,175.40 = 507,213.18 : x
  2. Step 2: Convert to fraction form
    1,586,990.28/2,380,175.40 = 507,213.18/x
  3. Step 3: Cross multiply
    1,586,990.28x = 2,380,175.40 × 507,213.18
  4. Step 4: Simplify right side
    1,586,990.28x = 1,207,256,333,591.77
  5. Step 5: Solve for x
    x = 1,207,256,333,591.77/1,586,990.28
  6. Step 6: Final answer
    x = 760,720.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.