Home / 1,213,971.51-1,675,281.02-670,107.66

Finding the Fourth Proportional to 1,213,971.51, 1,675,281.02 and 670,107.66

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Solution

The fourth proportional to 1,213,971.51, 1,675,281.02 and 670,107.66 is: 924,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,971.51 : 1,675,281.02 = 670,107.66 : x
  2. Step 2: Convert to fraction form
    1,213,971.51/1,675,281.02 = 670,107.66/x
  3. Step 3: Cross multiply
    1,213,971.51x = 1,675,281.02 × 670,107.66
  4. Step 4: Simplify right side
    1,213,971.51x = 1,122,618,644,154.61
  5. Step 5: Solve for x
    x = 1,122,618,644,154.61/1,213,971.51
  6. Step 6: Final answer
    x = 924,748.76

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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.