Home / 1,280,337.88-1,766,715.69-707,343.88

Finding the Fourth Proportional to 1,280,337.88, 1,766,715.69 and 707,343.88

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Solution

The fourth proportional to 1,280,337.88, 1,766,715.69 and 707,343.88 is: 976,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,337.88 : 1,766,715.69 = 707,343.88 : x
  2. Step 2: Convert to fraction form
    1,280,337.88/1,766,715.69 = 707,343.88/x
  3. Step 3: Cross multiply
    1,280,337.88x = 1,766,715.69 × 707,343.88
  4. Step 4: Simplify right side
    1,280,337.88x = 1,249,675,531,021.48
  5. Step 5: Solve for x
    x = 1,249,675,531,021.48/1,280,337.88
  6. Step 6: Final answer
    x = 976,051.36

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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.