Home / 1,512,682.40-2,269,023.60-390,751.40

Finding the Fourth Proportional to 1,512,682.40, 2,269,023.60 and 390,751.40

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Solution

The fourth proportional to 1,512,682.40, 2,269,023.60 and 390,751.40 is: 586,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,682.40 : 2,269,023.60 = 390,751.40 : x
  2. Step 2: Convert to fraction form
    1,512,682.40/2,269,023.60 = 390,751.40/x
  3. Step 3: Cross multiply
    1,512,682.40x = 2,269,023.60 × 390,751.40
  4. Step 4: Simplify right side
    1,512,682.40x = 886,624,148,333.04
  5. Step 5: Solve for x
    x = 886,624,148,333.04/1,512,682.40
  6. Step 6: Final answer
    x = 586,127.10

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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.