Home / 1,074,587.76-1,611,871.92-400,646.16

Finding the Fourth Proportional to 1,074,587.76, 1,611,871.92 and 400,646.16

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Solution

The fourth proportional to 1,074,587.76, 1,611,871.92 and 400,646.16 is: 600,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,587.76 : 1,611,871.92 = 400,646.16 : x
  2. Step 2: Convert to fraction form
    1,074,587.76/1,611,871.92 = 400,646.16/x
  3. Step 3: Cross multiply
    1,074,587.76x = 1,611,871.92 × 400,646.16
  4. Step 4: Simplify right side
    1,074,587.76x = 645,790,295,159.83
  5. Step 5: Solve for x
    x = 645,790,295,159.83/1,074,587.76
  6. Step 6: Final answer
    x = 600,965.62

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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.