Home / 1,213,970.26-1,675,279.28-670,106.40

Finding the Fourth Proportional to 1,213,970.26, 1,675,279.28 and 670,106.40

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Solution

The fourth proportional to 1,213,970.26, 1,675,279.28 and 670,106.40 is: 924,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,970.26 : 1,675,279.28 = 670,106.40 : x
  2. Step 2: Convert to fraction form
    1,213,970.26/1,675,279.28 = 670,106.40/x
  3. Step 3: Cross multiply
    1,213,970.26x = 1,675,279.28 × 670,106.40
  4. Step 4: Simplify right side
    1,213,970.26x = 1,122,615,367,315.39
  5. Step 5: Solve for x
    x = 1,122,615,367,315.39/1,213,970.26
  6. Step 6: Final answer
    x = 924,747.01

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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.