Home / 1,676,143.50-2,312,674.62-987,842.76

Finding the Fourth Proportional to 1,676,143.50, 2,312,674.62 and 987,842.76

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Solution

The fourth proportional to 1,676,143.50, 2,312,674.62 and 987,842.76 is: 1,362,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,143.50 : 2,312,674.62 = 987,842.76 : x
  2. Step 2: Convert to fraction form
    1,676,143.50/2,312,674.62 = 987,842.76/x
  3. Step 3: Cross multiply
    1,676,143.50x = 2,312,674.62 × 987,842.76
  4. Step 4: Simplify right side
    1,676,143.50x = 2,284,558,879,602.75
  5. Step 5: Solve for x
    x = 2,284,558,879,602.75/1,676,143.50
  6. Step 6: Final answer
    x = 1,362,985.26

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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.