Home / 1,395,000.50-2,092,520.20-397,728.50

Finding the Fourth Proportional to 1,395,000.50, 2,092,520.20 and 397,728.50

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Solution

The fourth proportional to 1,395,000.50, 2,092,520.20 and 397,728.50 is: 596,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,000.50 : 2,092,520.20 = 397,728.50 : x
  2. Step 2: Convert to fraction form
    1,395,000.50/2,092,520.20 = 397,728.50/x
  3. Step 3: Cross multiply
    1,395,000.50x = 2,092,520.20 × 397,728.50
  4. Step 4: Simplify right side
    1,395,000.50x = 832,254,920,365.70
  5. Step 5: Solve for x
    x = 832,254,920,365.70/1,395,000.50
  6. Step 6: Final answer
    x = 596,598.30

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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.