Home / 1,074,872.06-1,612,254.95-400,900.85

Finding the Fourth Proportional to 1,074,872.06, 1,612,254.95 and 400,900.85

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Solution

The fourth proportional to 1,074,872.06, 1,612,254.95 and 400,900.85 is: 601,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,872.06 : 1,612,254.95 = 400,900.85 : x
  2. Step 2: Convert to fraction form
    1,074,872.06/1,612,254.95 = 400,900.85/x
  3. Step 3: Cross multiply
    1,074,872.06x = 1,612,254.95 × 400,900.85
  4. Step 4: Simplify right side
    1,074,872.06x = 646,354,379,871.71
  5. Step 5: Solve for x
    x = 646,354,379,871.71/1,074,872.06
  6. Step 6: Final answer
    x = 601,331.46

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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.