Home / 1,615,995.47-2,230,088.79-890,869.13

Finding the Fourth Proportional to 1,615,995.47, 2,230,088.79 and 890,869.13

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Solution

The fourth proportional to 1,615,995.47, 2,230,088.79 and 890,869.13 is: 1,229,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,995.47 : 2,230,088.79 = 890,869.13 : x
  2. Step 2: Convert to fraction form
    1,615,995.47/2,230,088.79 = 890,869.13/x
  3. Step 3: Cross multiply
    1,615,995.47x = 2,230,088.79 × 890,869.13
  4. Step 4: Simplify right side
    1,615,995.47x = 1,986,717,265,745.27
  5. Step 5: Solve for x
    x = 1,986,717,265,745.27/1,615,995.47
  6. Step 6: Final answer
    x = 1,229,407.70

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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.