Home / 1,486,464.25-2,229,807.89-421,592.08

Finding the Fourth Proportional to 1,486,464.25, 2,229,807.89 and 421,592.08

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Solution

The fourth proportional to 1,486,464.25, 2,229,807.89 and 421,592.08 is: 632,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,464.25 : 2,229,807.89 = 421,592.08 : x
  2. Step 2: Convert to fraction form
    1,486,464.25/2,229,807.89 = 421,592.08/x
  3. Step 3: Cross multiply
    1,486,464.25x = 2,229,807.89 × 421,592.08
  4. Step 4: Simplify right side
    1,486,464.25x = 940,069,346,345.51
  5. Step 5: Solve for x
    x = 940,069,346,345.51/1,486,464.25
  6. Step 6: Final answer
    x = 632,419.75

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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.