Home / 1,008,028.70-1,510,001.85-627,782.30

Finding the Fourth Proportional to 1,008,028.70, 1,510,001.85 and 627,782.30

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Solution

The fourth proportional to 1,008,028.70, 1,510,001.85 and 627,782.30 is: 940,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,028.70 : 1,510,001.85 = 627,782.30 : x
  2. Step 2: Convert to fraction form
    1,008,028.70/1,510,001.85 = 627,782.30/x
  3. Step 3: Cross multiply
    1,008,028.70x = 1,510,001.85 × 627,782.30
  4. Step 4: Simplify right side
    1,008,028.70x = 947,952,434,397.26
  5. Step 5: Solve for x
    x = 947,952,434,397.26/1,008,028.70
  6. Step 6: Final answer
    x = 940,402.23

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1.5x scale

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.