Home / 1,000,134.70-1,498,889.85-400,605.10

Finding the Fourth Proportional to 1,000,134.70, 1,498,889.85 and 400,605.10

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Solution

The fourth proportional to 1,000,134.70, 1,498,889.85 and 400,605.10 is: 600,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,134.70 : 1,498,889.85 = 400,605.10 : x
  2. Step 2: Convert to fraction form
    1,000,134.70/1,498,889.85 = 400,605.10/x
  3. Step 3: Cross multiply
    1,000,134.70x = 1,498,889.85 × 400,605.10
  4. Step 4: Simplify right side
    1,000,134.70x = 600,462,918,248.24
  5. Step 5: Solve for x
    x = 600,462,918,248.24/1,000,134.70
  6. Step 6: Final answer
    x = 600,382.05

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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.