Home / 1,018,000.40-1,526,028.60-378,132.80

Finding the Fourth Proportional to 1,018,000.40, 1,526,028.60 and 378,132.80

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Solution

The fourth proportional to 1,018,000.40, 1,526,028.60 and 378,132.80 is: 566,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,000.40 : 1,526,028.60 = 378,132.80 : x
  2. Step 2: Convert to fraction form
    1,018,000.40/1,526,028.60 = 378,132.80/x
  3. Step 3: Cross multiply
    1,018,000.40x = 1,526,028.60 × 378,132.80
  4. Step 4: Simplify right side
    1,018,000.40x = 577,041,467,398.08
  5. Step 5: Solve for x
    x = 577,041,467,398.08/1,018,000.40
  6. Step 6: Final answer
    x = 566,838.15

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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.