Home / 1,031,167.63-1,544,921.39-430,807.51

Finding the Fourth Proportional to 1,031,167.63, 1,544,921.39 and 430,807.51

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Solution

The fourth proportional to 1,031,167.63, 1,544,921.39 and 430,807.51 is: 645,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,167.63 : 1,544,921.39 = 430,807.51 : x
  2. Step 2: Convert to fraction form
    1,031,167.63/1,544,921.39 = 430,807.51/x
  3. Step 3: Cross multiply
    1,031,167.63x = 1,544,921.39 × 430,807.51
  4. Step 4: Simplify right side
    1,031,167.63x = 665,563,735,017.60
  5. Step 5: Solve for x
    x = 665,563,735,017.60/1,031,167.63
  6. Step 6: Final answer
    x = 645,446.69

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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.