Home / 1,086,415.83-1,499,529.45-742,391.01

Finding the Fourth Proportional to 1,086,415.83, 1,499,529.45 and 742,391.01

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Solution

The fourth proportional to 1,086,415.83, 1,499,529.45 and 742,391.01 is: 1,024,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,415.83 : 1,499,529.45 = 742,391.01 : x
  2. Step 2: Convert to fraction form
    1,086,415.83/1,499,529.45 = 742,391.01/x
  3. Step 3: Cross multiply
    1,086,415.83x = 1,499,529.45 × 742,391.01
  4. Step 4: Simplify right side
    1,086,415.83x = 1,113,237,182,910.24
  5. Step 5: Solve for x
    x = 1,113,237,182,910.24/1,086,415.83
  6. Step 6: Final answer
    x = 1,024,687.93

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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.