Home / 712,542.12-1,068,714.36-180,030.36

Finding the Fourth Proportional to 712,542.12, 1,068,714.36 and 180,030.36

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Solution

The fourth proportional to 712,542.12, 1,068,714.36 and 180,030.36 is: 270,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,542.12 : 1,068,714.36 = 180,030.36 : x
  2. Step 2: Convert to fraction form
    712,542.12/1,068,714.36 = 180,030.36/x
  3. Step 3: Cross multiply
    712,542.12x = 1,068,714.36 × 180,030.36
  4. Step 4: Simplify right side
    712,542.12x = 192,401,030,967.97
  5. Step 5: Solve for x
    x = 192,401,030,967.97/712,542.12
  6. Step 6: Final answer
    x = 270,020.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.