Home / 1,178,339.78-1,626,119.85-669,053.06

Finding the Fourth Proportional to 1,178,339.78, 1,626,119.85 and 669,053.06

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Solution

The fourth proportional to 1,178,339.78, 1,626,119.85 and 669,053.06 is: 923,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,339.78 : 1,626,119.85 = 669,053.06 : x
  2. Step 2: Convert to fraction form
    1,178,339.78/1,626,119.85 = 669,053.06/x
  3. Step 3: Cross multiply
    1,178,339.78x = 1,626,119.85 × 669,053.06
  4. Step 4: Simplify right side
    1,178,339.78x = 1,087,960,461,569.24
  5. Step 5: Solve for x
    x = 1,087,960,461,569.24/1,178,339.78
  6. Step 6: Final answer
    x = 923,299.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.