Home / 1,213,978.77-1,675,291.03-670,114.91

Finding the Fourth Proportional to 1,213,978.77, 1,675,291.03 and 670,114.91

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Solution

The fourth proportional to 1,213,978.77, 1,675,291.03 and 670,114.91 is: 924,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,978.77 : 1,675,291.03 = 670,114.91 : x
  2. Step 2: Convert to fraction form
    1,213,978.77/1,675,291.03 = 670,114.91/x
  3. Step 3: Cross multiply
    1,213,978.77x = 1,675,291.03 × 670,114.91
  4. Step 4: Simplify right side
    1,213,978.77x = 1,122,637,497,792.26
  5. Step 5: Solve for x
    x = 1,122,637,497,792.26/1,213,978.77
  6. Step 6: Final answer
    x = 924,758.76

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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.