Home / 1,446,278.40-2,169,763.20-697,708.80

Finding the Fourth Proportional to 1,446,278.40, 2,169,763.20 and 697,708.80

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Solution

The fourth proportional to 1,446,278.40, 2,169,763.20 and 697,708.80 is: 1,046,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,278.40 : 2,169,763.20 = 697,708.80 : x
  2. Step 2: Convert to fraction form
    1,446,278.40/2,169,763.20 = 697,708.80/x
  3. Step 3: Cross multiply
    1,446,278.40x = 2,169,763.20 × 697,708.80
  4. Step 4: Simplify right side
    1,446,278.40x = 1,513,862,878,556.16
  5. Step 5: Solve for x
    x = 1,513,862,878,556.16/1,446,278.40
  6. Step 6: Final answer
    x = 1,046,729.92

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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.