Home / 1,309,102.56-1,964,222.46-710,486.64

Finding the Fourth Proportional to 1,309,102.56, 1,964,222.46 and 710,486.64

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Solution

The fourth proportional to 1,309,102.56, 1,964,222.46 and 710,486.64 is: 1,066,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,102.56 : 1,964,222.46 = 710,486.64 : x
  2. Step 2: Convert to fraction form
    1,309,102.56/1,964,222.46 = 710,486.64/x
  3. Step 3: Cross multiply
    1,309,102.56x = 1,964,222.46 × 710,486.64
  4. Step 4: Simplify right side
    1,309,102.56x = 1,395,553,815,817.93
  5. Step 5: Solve for x
    x = 1,395,553,815,817.93/1,309,102.56
  6. Step 6: Final answer
    x = 1,066,038.57

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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.