Home / 1,395,823.68-2,084,280.14-1,108,287.86

Finding the Fourth Proportional to 1,395,823.68, 2,084,280.14 and 1,108,287.86

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Solution

The fourth proportional to 1,395,823.68, 2,084,280.14 and 1,108,287.86 is: 1,654,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,823.68 : 2,084,280.14 = 1,108,287.86 : x
  2. Step 2: Convert to fraction form
    1,395,823.68/2,084,280.14 = 1,108,287.86/x
  3. Step 3: Cross multiply
    1,395,823.68x = 2,084,280.14 × 1,108,287.86
  4. Step 4: Simplify right side
    1,395,823.68x = 2,309,982,360,038.26
  5. Step 5: Solve for x
    x = 2,309,982,360,038.26/1,395,823.68
  6. Step 6: Final answer
    x = 1,654,924.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.