Home / 1,512,729.81-2,087,567.43-824,401.80

Finding the Fourth Proportional to 1,512,729.81, 2,087,567.43 and 824,401.80

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Solution

The fourth proportional to 1,512,729.81, 2,087,567.43 and 824,401.80 is: 1,137,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,729.81 : 2,087,567.43 = 824,401.80 : x
  2. Step 2: Convert to fraction form
    1,512,729.81/2,087,567.43 = 824,401.80/x
  3. Step 3: Cross multiply
    1,512,729.81x = 2,087,567.43 × 824,401.80
  4. Step 4: Simplify right side
    1,512,729.81x = 1,720,994,346,913.37
  5. Step 5: Solve for x
    x = 1,720,994,346,913.37/1,512,729.81
  6. Step 6: Final answer
    x = 1,137,674.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.