Home / 1,376,337.15-1,899,280.98-764,529.30

Finding the Fourth Proportional to 1,376,337.15, 1,899,280.98 and 764,529.30

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Solution

The fourth proportional to 1,376,337.15, 1,899,280.98 and 764,529.30 is: 1,055,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,337.15 : 1,899,280.98 = 764,529.30 : x
  2. Step 2: Convert to fraction form
    1,376,337.15/1,899,280.98 = 764,529.30/x
  3. Step 3: Cross multiply
    1,376,337.15x = 1,899,280.98 × 764,529.30
  4. Step 4: Simplify right side
    1,376,337.15x = 1,452,055,958,142.71
  5. Step 5: Solve for x
    x = 1,452,055,958,142.71/1,376,337.15
  6. Step 6: Final answer
    x = 1,055,014.72

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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.