Home / 842,720.30-1,264,080.45-842,720.30

Finding the Fourth Proportional to 842,720.30, 1,264,080.45 and 842,720.30

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Solution

The fourth proportional to 842,720.30, 1,264,080.45 and 842,720.30 is: 1,264,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,720.30 : 1,264,080.45 = 842,720.30 : x
  2. Step 2: Convert to fraction form
    842,720.30/1,264,080.45 = 842,720.30/x
  3. Step 3: Cross multiply
    842,720.30x = 1,264,080.45 × 842,720.30
  4. Step 4: Simplify right side
    842,720.30x = 1,065,266,256,048.14
  5. Step 5: Solve for x
    x = 1,065,266,256,048.14/842,720.30
  6. Step 6: Final answer
    x = 1,264,080.45

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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.