Home / 987,937.66-1,363,278.63-600,699.28

Finding the Fourth Proportional to 987,937.66, 1,363,278.63 and 600,699.28

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Solution

The fourth proportional to 987,937.66, 1,363,278.63 and 600,699.28 is: 828,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,937.66 : 1,363,278.63 = 600,699.28 : x
  2. Step 2: Convert to fraction form
    987,937.66/1,363,278.63 = 600,699.28/x
  3. Step 3: Cross multiply
    987,937.66x = 1,363,278.63 × 600,699.28
  4. Step 4: Simplify right side
    987,937.66x = 818,920,491,480.39
  5. Step 5: Solve for x
    x = 818,920,491,480.39/987,937.66
  6. Step 6: Final answer
    x = 828,919.20

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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.