Home / 1,298,472.06-1,791,898.48-709,772.30

Finding the Fourth Proportional to 1,298,472.06, 1,791,898.48 and 709,772.30

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Solution

The fourth proportional to 1,298,472.06, 1,791,898.48 and 709,772.30 is: 979,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,472.06 : 1,791,898.48 = 709,772.30 : x
  2. Step 2: Convert to fraction form
    1,298,472.06/1,791,898.48 = 709,772.30/x
  3. Step 3: Cross multiply
    1,298,472.06x = 1,791,898.48 × 709,772.30
  4. Step 4: Simplify right side
    1,298,472.06x = 1,271,839,896,556.61
  5. Step 5: Solve for x
    x = 1,271,839,896,556.61/1,298,472.06
  6. Step 6: Final answer
    x = 979,489.61

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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.