Home / 1,072,701.76-1,609,003.40-314,512.64

Finding the Fourth Proportional to 1,072,701.76, 1,609,003.40 and 314,512.64

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Solution

The fourth proportional to 1,072,701.76, 1,609,003.40 and 314,512.64 is: 471,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,701.76 : 1,609,003.40 = 314,512.64 : x
  2. Step 2: Convert to fraction form
    1,072,701.76/1,609,003.40 = 314,512.64/x
  3. Step 3: Cross multiply
    1,072,701.76x = 1,609,003.40 × 314,512.64
  4. Step 4: Simplify right side
    1,072,701.76x = 506,051,907,102.98
  5. Step 5: Solve for x
    x = 506,051,907,102.98/1,072,701.76
  6. Step 6: Final answer
    x = 471,754.52

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1.5x scale

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.