Home / 1,371,690.27-1,892,962.98-782,977.68

Finding the Fourth Proportional to 1,371,690.27, 1,892,962.98 and 782,977.68

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Solution

The fourth proportional to 1,371,690.27, 1,892,962.98 and 782,977.68 is: 1,080,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,690.27 : 1,892,962.98 = 782,977.68 : x
  2. Step 2: Convert to fraction form
    1,371,690.27/1,892,962.98 = 782,977.68/x
  3. Step 3: Cross multiply
    1,371,690.27x = 1,892,962.98 × 782,977.68
  4. Step 4: Simplify right side
    1,371,690.27x = 1,482,147,762,406.29
  5. Step 5: Solve for x
    x = 1,482,147,762,406.29/1,371,690.27
  6. Step 6: Final answer
    x = 1,080,526.56

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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.