Home / 1,063,678.11-1,595,302.58-389,529.28

Finding the Fourth Proportional to 1,063,678.11, 1,595,302.58 and 389,529.28

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Solution

The fourth proportional to 1,063,678.11, 1,595,302.58 and 389,529.28 is: 584,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,678.11 : 1,595,302.58 = 389,529.28 : x
  2. Step 2: Convert to fraction form
    1,063,678.11/1,595,302.58 = 389,529.28/x
  3. Step 3: Cross multiply
    1,063,678.11x = 1,595,302.58 × 389,529.28
  4. Step 4: Simplify right side
    1,063,678.11x = 621,417,063,421.90
  5. Step 5: Solve for x
    x = 621,417,063,421.90/1,063,678.11
  6. Step 6: Final answer
    x = 584,215.34

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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.