Home / 761,619.52-1,143,852.23-670,467.24

Finding the Fourth Proportional to 761,619.52, 1,143,852.23 and 670,467.24

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Solution

The fourth proportional to 761,619.52, 1,143,852.23 and 670,467.24 is: 1,006,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,619.52 : 1,143,852.23 = 670,467.24 : x
  2. Step 2: Convert to fraction form
    761,619.52/1,143,852.23 = 670,467.24/x
  3. Step 3: Cross multiply
    761,619.52x = 1,143,852.23 × 670,467.24
  4. Step 4: Simplify right side
    761,619.52x = 766,915,447,615.95
  5. Step 5: Solve for x
    x = 766,915,447,615.95/761,619.52
  6. Step 6: Final answer
    x = 1,006,953.51

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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.