Home / 918,090.06-1,266,883.60-510,166.05

Finding the Fourth Proportional to 918,090.06, 1,266,883.60 and 510,166.05

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Solution

The fourth proportional to 918,090.06, 1,266,883.60 and 510,166.05 is: 703,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,090.06 : 1,266,883.60 = 510,166.05 : x
  2. Step 2: Convert to fraction form
    918,090.06/1,266,883.60 = 510,166.05/x
  3. Step 3: Cross multiply
    918,090.06x = 1,266,883.60 × 510,166.05
  4. Step 4: Simplify right side
    918,090.06x = 646,321,002,021.78
  5. Step 5: Solve for x
    x = 646,321,002,021.78/918,090.06
  6. Step 6: Final answer
    x = 703,984.32

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1.5x scale

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.