Home / 1,008,035.70-1,510,012.35-627,789.30

Finding the Fourth Proportional to 1,008,035.70, 1,510,012.35 and 627,789.30

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Solution

The fourth proportional to 1,008,035.70, 1,510,012.35 and 627,789.30 is: 940,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,035.70 : 1,510,012.35 = 627,789.30 : x
  2. Step 2: Convert to fraction form
    1,008,035.70/1,510,012.35 = 627,789.30/x
  3. Step 3: Cross multiply
    1,008,035.70x = 1,510,012.35 × 627,789.30
  4. Step 4: Simplify right side
    1,008,035.70x = 947,969,596,197.86
  5. Step 5: Solve for x
    x = 947,969,596,197.86/1,008,035.70
  6. Step 6: Final answer
    x = 940,412.72

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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.