Home / 1,281,096.70-1,767,837.45-708,102.70

Finding the Fourth Proportional to 1,281,096.70, 1,767,837.45 and 708,102.70

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Solution

The fourth proportional to 1,281,096.70, 1,767,837.45 and 708,102.70 is: 977,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,096.70 : 1,767,837.45 = 708,102.70 : x
  2. Step 2: Convert to fraction form
    1,281,096.70/1,767,837.45 = 708,102.70/x
  3. Step 3: Cross multiply
    1,281,096.70x = 1,767,837.45 × 708,102.70
  4. Step 4: Simplify right side
    1,281,096.70x = 1,251,810,471,506.12
  5. Step 5: Solve for x
    x = 1,251,810,471,506.12/1,281,096.70
  6. Step 6: Final answer
    x = 977,139.72

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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.