Home / 1,235,752.80-1,853,629.20-986,920.80

Finding the Fourth Proportional to 1,235,752.80, 1,853,629.20 and 986,920.80

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Solution

The fourth proportional to 1,235,752.80, 1,853,629.20 and 986,920.80 is: 1,480,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,752.80 : 1,853,629.20 = 986,920.80 : x
  2. Step 2: Convert to fraction form
    1,235,752.80/1,853,629.20 = 986,920.80/x
  3. Step 3: Cross multiply
    1,235,752.80x = 1,853,629.20 × 986,920.80
  4. Step 4: Simplify right side
    1,235,752.80x = 1,829,385,212,967.36
  5. Step 5: Solve for x
    x = 1,829,385,212,967.36/1,235,752.80
  6. Step 6: Final answer
    x = 1,480,381.20

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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.