Home / 1,074,259.80-1,611,386.82-400,325.76

Finding the Fourth Proportional to 1,074,259.80, 1,611,386.82 and 400,325.76

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Solution

The fourth proportional to 1,074,259.80, 1,611,386.82 and 400,325.76 is: 600,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,259.80 : 1,611,386.82 = 400,325.76 : x
  2. Step 2: Convert to fraction form
    1,074,259.80/1,611,386.82 = 400,325.76/x
  3. Step 3: Cross multiply
    1,074,259.80x = 1,611,386.82 × 400,325.76
  4. Step 4: Simplify right side
    1,074,259.80x = 645,079,653,370.48
  5. Step 5: Solve for x
    x = 645,079,653,370.48/1,074,259.80
  6. Step 6: Final answer
    x = 600,487.57

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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.