Home / 1,213,972.01-1,675,281.71-670,108.16

Finding the Fourth Proportional to 1,213,972.01, 1,675,281.71 and 670,108.16

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Solution

The fourth proportional to 1,213,972.01, 1,675,281.71 and 670,108.16 is: 924,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,972.01 : 1,675,281.71 = 670,108.16 : x
  2. Step 2: Convert to fraction form
    1,213,972.01/1,675,281.71 = 670,108.16/x
  3. Step 3: Cross multiply
    1,213,972.01x = 1,675,281.71 × 670,108.16
  4. Step 4: Simplify right side
    1,213,972.01x = 1,122,619,944,169.75
  5. Step 5: Solve for x
    x = 1,122,619,944,169.75/1,213,972.01
  6. Step 6: Final answer
    x = 924,749.45

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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.