Home / 1,676,145.50-2,312,677.38-987,844.76

Finding the Fourth Proportional to 1,676,145.50, 2,312,677.38 and 987,844.76

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Solution

The fourth proportional to 1,676,145.50, 2,312,677.38 and 987,844.76 is: 1,362,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,145.50 : 2,312,677.38 = 987,844.76 : x
  2. Step 2: Convert to fraction form
    1,676,145.50/2,312,677.38 = 987,844.76/x
  3. Step 3: Cross multiply
    1,676,145.50x = 2,312,677.38 × 987,844.76
  4. Step 4: Simplify right side
    1,676,145.50x = 2,284,566,231,403.53
  5. Step 5: Solve for x
    x = 2,284,566,231,403.53/1,676,145.50
  6. Step 6: Final answer
    x = 1,362,988.02

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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.