Home / 940,439.20-1,410,658.80-926,442.40

Finding the Fourth Proportional to 940,439.20, 1,410,658.80 and 926,442.40

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Solution

The fourth proportional to 940,439.20, 1,410,658.80 and 926,442.40 is: 1,389,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,439.20 : 1,410,658.80 = 926,442.40 : x
  2. Step 2: Convert to fraction form
    940,439.20/1,410,658.80 = 926,442.40/x
  3. Step 3: Cross multiply
    940,439.20x = 1,410,658.80 × 926,442.40
  4. Step 4: Simplify right side
    940,439.20x = 1,306,894,124,253.12
  5. Step 5: Solve for x
    x = 1,306,894,124,253.12/940,439.20
  6. Step 6: Final answer
    x = 1,389,663.60

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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.