Home / 1,254,519.64-1,731,243.86-771,400.45

Finding the Fourth Proportional to 1,254,519.64, 1,731,243.86 and 771,400.45

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Solution

The fourth proportional to 1,254,519.64, 1,731,243.86 and 771,400.45 is: 1,064,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,519.64 : 1,731,243.86 = 771,400.45 : x
  2. Step 2: Convert to fraction form
    1,254,519.64/1,731,243.86 = 771,400.45/x
  3. Step 3: Cross multiply
    1,254,519.64x = 1,731,243.86 × 771,400.45
  4. Step 4: Simplify right side
    1,254,519.64x = 1,335,482,288,806.73
  5. Step 5: Solve for x
    x = 1,335,482,288,806.73/1,254,519.64
  6. Step 6: Final answer
    x = 1,064,536.77

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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.