Home / 1,354,146.12-2,031,226.44-407,510.40

Finding the Fourth Proportional to 1,354,146.12, 2,031,226.44 and 407,510.40

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Solution

The fourth proportional to 1,354,146.12, 2,031,226.44 and 407,510.40 is: 611,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,146.12 : 2,031,226.44 = 407,510.40 : x
  2. Step 2: Convert to fraction form
    1,354,146.12/2,031,226.44 = 407,510.40/x
  3. Step 3: Cross multiply
    1,354,146.12x = 2,031,226.44 × 407,510.40
  4. Step 4: Simplify right side
    1,354,146.12x = 827,745,899,054.98
  5. Step 5: Solve for x
    x = 827,745,899,054.98/1,354,146.12
  6. Step 6: Final answer
    x = 611,267.78

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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.