Home / 1,340,501.40-2,011,043.70-441,790.20

Finding the Fourth Proportional to 1,340,501.40, 2,011,043.70 and 441,790.20

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Solution

The fourth proportional to 1,340,501.40, 2,011,043.70 and 441,790.20 is: 662,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,501.40 : 2,011,043.70 = 441,790.20 : x
  2. Step 2: Convert to fraction form
    1,340,501.40/2,011,043.70 = 441,790.20/x
  3. Step 3: Cross multiply
    1,340,501.40x = 2,011,043.70 × 441,790.20
  4. Step 4: Simplify right side
    1,340,501.40x = 888,459,398,431.74
  5. Step 5: Solve for x
    x = 888,459,398,431.74/1,340,501.40
  6. Step 6: Final answer
    x = 662,781.40

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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.