Home / 1,377,359.60-2,066,076.36-430,730.33

Finding the Fourth Proportional to 1,377,359.60, 2,066,076.36 and 430,730.33

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Solution

The fourth proportional to 1,377,359.60, 2,066,076.36 and 430,730.33 is: 646,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,359.60 : 2,066,076.36 = 430,730.33 : x
  2. Step 2: Convert to fraction form
    1,377,359.60/2,066,076.36 = 430,730.33/x
  3. Step 3: Cross multiply
    1,377,359.60x = 2,066,076.36 × 430,730.33
  4. Step 4: Simplify right side
    1,377,359.60x = 889,921,742,017.62
  5. Step 5: Solve for x
    x = 889,921,742,017.62/1,377,359.60
  6. Step 6: Final answer
    x = 646,107.05

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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.