Home / 1,687,746.20-2,328,629.16-962,329.36

Finding the Fourth Proportional to 1,687,746.20, 2,328,629.16 and 962,329.36

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Solution

The fourth proportional to 1,687,746.20, 2,328,629.16 and 962,329.36 is: 1,327,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,746.20 : 2,328,629.16 = 962,329.36 : x
  2. Step 2: Convert to fraction form
    1,687,746.20/2,328,629.16 = 962,329.36/x
  3. Step 3: Cross multiply
    1,687,746.20x = 2,328,629.16 × 962,329.36
  4. Step 4: Simplify right side
    1,687,746.20x = 2,240,908,209,220.14
  5. Step 5: Solve for x
    x = 2,240,908,209,220.14/1,687,746.20
  6. Step 6: Final answer
    x = 1,327,751.89

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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.