Home / 1,585,498.16-2,378,610.48-687,090.64

Finding the Fourth Proportional to 1,585,498.16, 2,378,610.48 and 687,090.64

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Solution

The fourth proportional to 1,585,498.16, 2,378,610.48 and 687,090.64 is: 1,030,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,498.16 : 2,378,610.48 = 687,090.64 : x
  2. Step 2: Convert to fraction form
    1,585,498.16/2,378,610.48 = 687,090.64/x
  3. Step 3: Cross multiply
    1,585,498.16x = 2,378,610.48 × 687,090.64
  4. Step 4: Simplify right side
    1,585,498.16x = 1,634,320,997,013.91
  5. Step 5: Solve for x
    x = 1,634,320,997,013.91/1,585,498.16
  6. Step 6: Final answer
    x = 1,030,793.37

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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.