Home / 1,343,320.40-2,014,510.20-396,440.40

Finding the Fourth Proportional to 1,343,320.40, 2,014,510.20 and 396,440.40

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Solution

The fourth proportional to 1,343,320.40, 2,014,510.20 and 396,440.40 is: 594,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,320.40 : 2,014,510.20 = 396,440.40 : x
  2. Step 2: Convert to fraction form
    1,343,320.40/2,014,510.20 = 396,440.40/x
  3. Step 3: Cross multiply
    1,343,320.40x = 2,014,510.20 × 396,440.40
  4. Step 4: Simplify right side
    1,343,320.40x = 798,633,229,492.08
  5. Step 5: Solve for x
    x = 798,633,229,492.08/1,343,320.40
  6. Step 6: Final answer
    x = 594,521.78

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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.