Home / 1,402,490.37-2,107,534.25-763,266.72

Finding the Fourth Proportional to 1,402,490.37, 2,107,534.25 and 763,266.72

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Solution

The fourth proportional to 1,402,490.37, 2,107,534.25 and 763,266.72 is: 1,146,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,490.37 : 2,107,534.25 = 763,266.72 : x
  2. Step 2: Convert to fraction form
    1,402,490.37/2,107,534.25 = 763,266.72/x
  3. Step 3: Cross multiply
    1,402,490.37x = 2,107,534.25 × 763,266.72
  4. Step 4: Simplify right side
    1,402,490.37x = 1,608,610,764,096.58
  5. Step 5: Solve for x
    x = 1,608,610,764,096.58/1,402,490.37
  6. Step 6: Final answer
    x = 1,146,967.42

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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.