Home / 1,254,842.32-1,731,681.08-681,881.12

Finding the Fourth Proportional to 1,254,842.32, 1,731,681.08 and 681,881.12

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Solution

The fourth proportional to 1,254,842.32, 1,731,681.08 and 681,881.12 is: 940,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,842.32 : 1,731,681.08 = 681,881.12 : x
  2. Step 2: Convert to fraction form
    1,254,842.32/1,731,681.08 = 681,881.12/x
  3. Step 3: Cross multiply
    1,254,842.32x = 1,731,681.08 × 681,881.12
  4. Step 4: Simplify right side
    1,254,842.32x = 1,180,800,634,313.21
  5. Step 5: Solve for x
    x = 1,180,800,634,313.21/1,254,842.32
  6. Step 6: Final answer
    x = 940,995.23

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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.