Home / 928,019.40-1,392,029.10-880,096.20

Finding the Fourth Proportional to 928,019.40, 1,392,029.10 and 880,096.20

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Solution

The fourth proportional to 928,019.40, 1,392,029.10 and 880,096.20 is: 1,320,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,019.40 : 1,392,029.10 = 880,096.20 : x
  2. Step 2: Convert to fraction form
    928,019.40/1,392,029.10 = 880,096.20/x
  3. Step 3: Cross multiply
    928,019.40x = 1,392,029.10 × 880,096.20
  4. Step 4: Simplify right side
    928,019.40x = 1,225,119,521,199.42
  5. Step 5: Solve for x
    x = 1,225,119,521,199.42/928,019.40
  6. Step 6: Final answer
    x = 1,320,144.30

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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.