Home / 1,507,582.08-2,261,508.63-428,105.24

Finding the Fourth Proportional to 1,507,582.08, 2,261,508.63 and 428,105.24

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Solution

The fourth proportional to 1,507,582.08, 2,261,508.63 and 428,105.24 is: 642,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,582.08 : 2,261,508.63 = 428,105.24 : x
  2. Step 2: Convert to fraction form
    1,507,582.08/2,261,508.63 = 428,105.24/x
  3. Step 3: Cross multiply
    1,507,582.08x = 2,261,508.63 × 428,105.24
  4. Step 4: Simplify right side
    1,507,582.08x = 968,163,694,808.22
  5. Step 5: Solve for x
    x = 968,163,694,808.22/1,507,582.08
  6. Step 6: Final answer
    x = 642,196.34

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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.