Home / 1,676,137.50-2,312,666.37-987,836.76

Finding the Fourth Proportional to 1,676,137.50, 2,312,666.37 and 987,836.76

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Solution

The fourth proportional to 1,676,137.50, 2,312,666.37 and 987,836.76 is: 1,362,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,137.50 : 2,312,666.37 = 987,836.76 : x
  2. Step 2: Convert to fraction form
    1,676,137.50/2,312,666.37 = 987,836.76/x
  3. Step 3: Cross multiply
    1,676,137.50x = 2,312,666.37 × 987,836.76
  4. Step 4: Simplify right side
    1,676,137.50x = 2,284,536,853,901.76
  5. Step 5: Solve for x
    x = 2,284,536,853,901.76/1,676,137.50
  6. Step 6: Final answer
    x = 1,362,977.00

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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.