Home / 1,281,014.28-1,767,799.80-700,239.72

Finding the Fourth Proportional to 1,281,014.28, 1,767,799.80 and 700,239.72

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Solution

The fourth proportional to 1,281,014.28, 1,767,799.80 and 700,239.72 is: 966,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,014.28 : 1,767,799.80 = 700,239.72 : x
  2. Step 2: Convert to fraction form
    1,281,014.28/1,767,799.80 = 700,239.72/x
  3. Step 3: Cross multiply
    1,281,014.28x = 1,767,799.80 × 700,239.72
  4. Step 4: Simplify right side
    1,281,014.28x = 1,237,883,636,968.06
  5. Step 5: Solve for x
    x = 1,237,883,636,968.06/1,281,014.28
  6. Step 6: Final answer
    x = 966,330.86

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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.