Home / 1,213,013.04-1,672,894.53-971,207.39

Finding the Fourth Proportional to 1,213,013.04, 1,672,894.53 and 971,207.39

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Solution

The fourth proportional to 1,213,013.04, 1,672,894.53 and 971,207.39 is: 1,339,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,013.04 : 1,672,894.53 = 971,207.39 : x
  2. Step 2: Convert to fraction form
    1,213,013.04/1,672,894.53 = 971,207.39/x
  3. Step 3: Cross multiply
    1,213,013.04x = 1,672,894.53 × 971,207.39
  4. Step 4: Simplify right side
    1,213,013.04x = 1,624,727,521,862.10
  5. Step 5: Solve for x
    x = 1,624,727,521,862.10/1,213,013.04
  6. Step 6: Final answer
    x = 1,339,414.72

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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.