Home / 1,775,128.50-2,449,677.33-970,312.50

Finding the Fourth Proportional to 1,775,128.50, 2,449,677.33 and 970,312.50

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Solution

The fourth proportional to 1,775,128.50, 2,449,677.33 and 970,312.50 is: 1,339,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,128.50 : 2,449,677.33 = 970,312.50 : x
  2. Step 2: Convert to fraction form
    1,775,128.50/2,449,677.33 = 970,312.50/x
  3. Step 3: Cross multiply
    1,775,128.50x = 2,449,677.33 × 970,312.50
  4. Step 4: Simplify right side
    1,775,128.50x = 2,376,952,534,265.63
  5. Step 5: Solve for x
    x = 2,376,952,534,265.63/1,775,128.50
  6. Step 6: Final answer
    x = 1,339,031.25

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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.