Home / 1,429,039.59-2,143,107.76-469,337.08

Finding the Fourth Proportional to 1,429,039.59, 2,143,107.76 and 469,337.08

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Solution

The fourth proportional to 1,429,039.59, 2,143,107.76 and 469,337.08 is: 703,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,039.59 : 2,143,107.76 = 469,337.08 : x
  2. Step 2: Convert to fraction form
    1,429,039.59/2,143,107.76 = 469,337.08/x
  3. Step 3: Cross multiply
    1,429,039.59x = 2,143,107.76 × 469,337.08
  4. Step 4: Simplify right side
    1,429,039.59x = 1,005,839,937,030.40
  5. Step 5: Solve for x
    x = 1,005,839,937,030.40/1,429,039.59
  6. Step 6: Final answer
    x = 703,857.29

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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.