Home / 1,369,665.90-1,890,194.65-757,808.76

Finding the Fourth Proportional to 1,369,665.90, 1,890,194.65 and 757,808.76

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Solution

The fourth proportional to 1,369,665.90, 1,890,194.65 and 757,808.76 is: 1,045,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,665.90 : 1,890,194.65 = 757,808.76 : x
  2. Step 2: Convert to fraction form
    1,369,665.90/1,890,194.65 = 757,808.76/x
  3. Step 3: Cross multiply
    1,369,665.90x = 1,890,194.65 × 757,808.76
  4. Step 4: Simplify right side
    1,369,665.90x = 1,432,406,060,086.09
  5. Step 5: Solve for x
    x = 1,432,406,060,086.09/1,369,665.90
  6. Step 6: Final answer
    x = 1,045,806.91

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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.