Home / 1,280,637.04-1,767,284.58-699,871.72

Finding the Fourth Proportional to 1,280,637.04, 1,767,284.58 and 699,871.72

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Solution

The fourth proportional to 1,280,637.04, 1,767,284.58 and 699,871.72 is: 965,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,637.04 : 1,767,284.58 = 699,871.72 : x
  2. Step 2: Convert to fraction form
    1,280,637.04/1,767,284.58 = 699,871.72/x
  3. Step 3: Cross multiply
    1,280,637.04x = 1,767,284.58 × 699,871.72
  4. Step 4: Simplify right side
    1,280,637.04x = 1,236,872,498,734.08
  5. Step 5: Solve for x
    x = 1,236,872,498,734.08/1,280,637.04
  6. Step 6: Final answer
    x = 965,825.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.