Home / 1,270,637.46-1,753,507.98-697,680

Finding the Fourth Proportional to 1,270,637.46, 1,753,507.98 and 697,680

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Solution

The fourth proportional to 1,270,637.46, 1,753,507.98 and 697,680 is: 962,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,637.46 : 1,753,507.98 = 697,680 : x
  2. Step 2: Convert to fraction form
    1,270,637.46/1,753,507.98 = 697,680/x
  3. Step 3: Cross multiply
    1,270,637.46x = 1,753,507.98 × 697,680
  4. Step 4: Simplify right side
    1,270,637.46x = 1,223,387,447,486.40
  5. Step 5: Solve for x
    x = 1,223,387,447,486.40/1,270,637.46
  6. Step 6: Final answer
    x = 962,813.93

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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.