Home / 1,335,315.88-1,842,675.78-731,690.92

Finding the Fourth Proportional to 1,335,315.88, 1,842,675.78 and 731,690.92

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Solution

The fourth proportional to 1,335,315.88, 1,842,675.78 and 731,690.92 is: 1,009,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,315.88 : 1,842,675.78 = 731,690.92 : x
  2. Step 2: Convert to fraction form
    1,335,315.88/1,842,675.78 = 731,690.92/x
  3. Step 3: Cross multiply
    1,335,315.88x = 1,842,675.78 × 731,690.92
  4. Step 4: Simplify right side
    1,335,315.88x = 1,348,269,136,729.92
  5. Step 5: Solve for x
    x = 1,348,269,136,729.92/1,335,315.88
  6. Step 6: Final answer
    x = 1,009,700.52

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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.