Home / 1,107,313.40-1,657,470.90-869,367.80

Finding the Fourth Proportional to 1,107,313.40, 1,657,470.90 and 869,367.80

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Solution

The fourth proportional to 1,107,313.40, 1,657,470.90 and 869,367.80 is: 1,301,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,313.40 : 1,657,470.90 = 869,367.80 : x
  2. Step 2: Convert to fraction form
    1,107,313.40/1,657,470.90 = 869,367.80/x
  3. Step 3: Cross multiply
    1,107,313.40x = 1,657,470.90 × 869,367.80
  4. Step 4: Simplify right side
    1,107,313.40x = 1,440,951,829,897.02
  5. Step 5: Solve for x
    x = 1,440,951,829,897.02/1,107,313.40
  6. Step 6: Final answer
    x = 1,301,304.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.