Home / 1,281,271.09-1,768,162.13-700,495.55

Finding the Fourth Proportional to 1,281,271.09, 1,768,162.13 and 700,495.55

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Solution

The fourth proportional to 1,281,271.09, 1,768,162.13 and 700,495.55 is: 966,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,271.09 : 1,768,162.13 = 700,495.55 : x
  2. Step 2: Convert to fraction form
    1,281,271.09/1,768,162.13 = 700,495.55/x
  3. Step 3: Cross multiply
    1,281,271.09x = 1,768,162.13 × 700,495.55
  4. Step 4: Simplify right side
    1,281,271.09x = 1,238,589,700,241.04
  5. Step 5: Solve for x
    x = 1,238,589,700,241.04/1,281,271.09
  6. Step 6: Final answer
    x = 966,688.25

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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.